The ingredient atlas
Every bar has a story inside.
From the softness of a seed butter to the science of lather. Discover what gives solid cosmetics their shape, texture and purpose.
An illustrated field guide for curious label readers.
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An illustrated guide to the materials, textures and formulation roles of solid cosmetics.
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What brought you here?
A puzzling name, a bar that feels different, or a little time to wander. Start with what you need today.
Eight questions worth asking
Choose the thought that sounds familiar. A short answer opens the next useful page.
Why is alcohol in a creamy product?
Cetyl Alcohol is a fatty alcohol: a waxy material that can help build body and a creamy feel. The full name is the useful clue.
Read the full explanationIs a solid wash bar always soap?
A solid shape does not tell you the cleansing chemistry. Follow the declared names to see whether the formula uses soap or other surfactants.
Read the full explanationHow is a conditioner different from shampoo?
Cleansing and conditioning are different jobs. Look at the full formulas and directions, rather than treating every solid as the same kind of bar.
Read the full explanation Continue in the related guideDoes vitamin E preserve the whole product?
Tocopherol can help slow oxidation in a fatty part of a formula. Protection against microbial growth is a separate preservation question.
Read the full explanationWhy do an oil and its soap have different names?
Making soap changes the material: Cocos Nucifera Oil and Sodium Cocoate share a coconut connection, but they are different ingredients. The plant gives you the family story; the complete name identifies what is in the formula.
Read the full explanationIs jojoba oil really a wax?
The label name Simmondsia Chinensis Seed Oil identifies the flowing seed material. Its chemistry is rich in liquid wax esters, so an oil-like appearance and a wax family can belong to the same ingredient.
Read the full explanationMy bar stays wet or soft. What should I check?
First look underneath it and at where water collects. A wet wash bar and a heat-softened balm need different questions.
Read the full explanation Continue in the related guideMy hair feels heavy. Where do I start?
Map what went onto the hair, where it went and what changed. One ingredient name cannot explain a whole washing routine.
Read the full explanation Continue in the related guideSmall names, useful distinctions
Three things worth a second look
A few label-reading discoveries that make the longer stories easier to use.
Ingredient atlas · this language
An alcohol with a waxy feel
Cetyl Alcohol is a fatty alcohol: a waxy supporting material with a different physical character from familiar ethanol. Follow the whole name and the texture story becomes easier to picture.
Meet the fatty alcohol
Related reading
Are antioxidants the same as preservatives?
Follow the difference between slowing oxidation and protecting a product against microbial growth.
Read this sectionRelated reading
Shampoo bar or soap: how to tell without a chemistry degree
Use the declared names to distinguish a shampoo formula from soap. The shape of the bar cannot answer that question.
Read this sectionMake sense of the small print
What is this name doing here?
Twelve names worth knowing. Open a card for the everyday explanation, then follow the story if your curiosity takes you further.
This name is not among these twelve yet. Check the spelling or explore the full ingredient directory. A similar-looking word may name a different material.
Explore the full directory →
Cetyl alcoholCetyl Alcohol
Its usual job
A waxy fatty alcohol that helps give a blend body and a smooth feel.
What the name does not tell you
It is a different substance from Alcohol Denat. The shared word alcohol does not describe one shared skin effect.
Also recognised here: Cetyl Alcohol
SCI · a cleansing ingredientSodium Cocoyl Isethionate
Its usual job
A surfactant that helps oily dirt meet rinse water. It is one of the ingredients behind a wash.
What the name does not tell you
The name alone cannot establish how mild the finished cleanser is. The complete blend and its use matter.
Also recognised here: Sodium Cocoyl Isethionate · SCI
SLSA · a foaming cleanserSodium Lauryl Sulfoacetate
Its usual job
A surfactant used for cleansing and foam. Water, movement and its companions shape the lather you see.
What the name does not tell you
SLSA is not another spelling of SLS. Different names still do not rank whole products by gentleness.
Also recognised here: Sodium Lauryl Sulfoacetate · SLSA
BTMS · a conditioning ingredientBehentrimonium Methosulfate
Its usual job
A hair-conditioning and antistatic ingredient. It follows a different material story from the main cleansing surfactants.
What the name does not tell you
Methosulfate does not make it Sodium Lauryl Sulfate. BTMS is a useful shorthand; commercial blends need their complete declaration.
Also recognised here: Behentrimonium Methosulfate · BTMS
Tocopherol · vitamin ETocopherol
Its usual job
An antioxidant and conditioning ingredient. In oily blends, it can be part of the work that slows oxidation.
What the name does not tell you
Antioxidant care is different from protection against microbes. Vitamin E does not replace a complete antimicrobial preservation system.
Also recognised here: Tocopherol · Vitamin E · tocopherol · Vitamin E
Phenoxyethanol · a preservativePhenoxyethanol
Its usual job
An antimicrobial preservative used in cosmetic preservation systems. It belongs to the behind-the-scenes storage story.
What the name does not tell you
Its presence does not prove that a whole product is adequately preserved. The finished system needs its own validation.
Also recognised here: Phenoxyethanol
Ethylhexylglycerin · a supporting partnerEthylhexylglycerin
Its usual job
A conditioning ingredient often used alongside preservative ingredients. Several quiet jobs can sit behind one long name.
What the name does not tell you
It is a different ingredient from Glycerin. A familiar ending does not make two names interchangeable.
Also recognised here: Ethylhexylglycerin
Caprylic/capric triglyceride · an emollientCaprylic/Capric Triglyceride
Its usual job
An oily emollient and carrier that can help a firmer blend spread. Think of the liquid companions beside butters and waxes.
What the name does not tell you
The name identifies the prepared ingredient, not the crop, supplier or certification behind a particular batch.
Also recognised here: Caprylic/Capric Triglyceride
Stearic acid · a waxy builderStearic Acid
Its usual job
A solid fatty ingredient that can contribute body and consistency. Its acid name can lead to a surprisingly waxy material.
What the name does not tell you
Not every acid exfoliates. A stearate soap made by reacting it has its own name and properties.
Also recognised here: Stearic Acid
Sodium lactate · a moisture-related ingredientSodium Lactate
Its usual job
A humectant: one of the ingredients used to help retain moisture in cosmetics. Its supplied form may be a solution.
What the name does not tell you
Lactate does not establish a milk source, and Sodium Lactate is not another spelling of Lactic Acid.
Also recognised here: Sodium Lactate
Coco-caprylate · an ingredient for glideCoco-Caprylate
Its usual job
A prepared oily emollient. Beside firmer ingredients, it can help a solid blend spread over skin.
What the name does not tell you
Coco-Caprylate and Cocos Nucifera Oil name different materials. The full name matters more than the familiar coco beginning.
Also recognised here: Coco-Caprylate
Glycerin · a moisture-loving liquidGlycerin
Its usual job
A humectant and solvent. This clear, syrupy liquid mixes with water and can help retain moisture in a cosmetic.
What the name does not tell you
The name does not establish whether a product is water-free or whether a particular batch has a plant or another source.
Also recognised here: Glycerin
These are general ingredient functions. A name alone cannot tell you the amount, your personal response or how well a finished product will work. Illustrations show typical forms, not a supplier specification.
One real label, a closer look
Inside this shampoo bar
Bergamot, grapefruit & ylang-ylang · solid shampoo · 100 g
A label becomes easier to read when the names have a little company. Open any name below to meet its usual role and its Atlas story. The order is the order in the recorded ingredient list.
Ingredient-list snapshot: 13 October 2026. The names below reproduce that recorded list; formulas may change. Check the current product page and your package before relying on it.
See the product page ↗The groups explain common ingredient functions, not measured results or amounts in this bar. An ingredient can have several jobs; this view highlights one useful way to read the list.
Sodium Cocoyl IsethionateCleansing
Sodium cocoyl isethionate
A surfactant that helps oily dirt meet rinse water. It is one of the ingredients behind a wash.
Sodium Lauryl SulfoacetateCleansing
Sodium lauryl sulfoacetate
A surfactant used for cleansing and foam. Water, movement and its companions shape the lather you see.
Sodium C14-16 Olefin SulfonateCleansing
Olefin sulfonate
A cleansing surfactant that helps carry oily dirt into rinse water.
Behentrimonium MethosulfateConditioning & care
Behentrimonium methosulfate
A hair-conditioning and antistatic ingredient. It follows a different material story from the main cleansing surfactants.
Cetyl AlcoholTexture & structure
Cetyl alcohol
A waxy fatty alcohol that helps give a blend body and a smooth feel.
Butyrospermum Parkii ButterTexture & structure
Shea butter
A plant butter used as an emollient and as part of a blend’s consistency.
Mangifera Indica Seed ButterTexture & structure
Mango butter
A seed butter that contributes emollient character and body within a blend.
Theobroma Cacao Seed ButterTexture & structure
Cocoa butter
A firm seed fat used as an emollient and a contributor to consistency.
Sodium LactateConditioning & care
Sodium lactate
A humectant: one of the ingredients used to help retain moisture in cosmetics. Its supplied form may be a solution.
Hydrolyzed Silk ProteinConditioning & care
Hydrolyzed silk
A prepared protein ingredient used for conditioning; hydrolyzed describes the breaking of larger proteins into smaller fragments.
PanthenolConditioning & care
Panthenol
A conditioning and humectant ingredient associated with provitamin B5.
Phormidium Persicinum ExtractConditioning & care
Microalgae extract
A tiny aquatic organism leads to a prepared extract. This ingredient list tells us its name, not what the extract achieves on its own in this bar.
Pisum Sativum Sprout ExtractConditioning & care
Pea sprout extract
A pea-sprout extract used within cosmetic care blends. The exact preparation gives the plant name its context.
CaffeineConditioning & care
Caffeine
A defined ingredient used for conditioning in cosmetics. A whole product’s results need separate evidence.
Hydrolyzed KeratinConditioning & care
Hydrolyzed keratin
A prepared protein ingredient for conditioning. Hydrolyzed identifies a processing step, not an intact fibre.
Citrus Bergamia Peel OilEssential oils
Bergamot peel essential oil
An essential oil from bergamot peel, used for its aromatic contribution.
Citrus Paradisi Peel OilEssential oils
Grapefruit peel essential oil
An essential oil from grapefruit peel, used for its aromatic contribution.
Cananga Odorata Flower OilEssential oils
Ylang-ylang essential oil
An essential oil from ylang-ylang flowers, used within the scent blend.
TocopherolStability partners
Vitamin E · tocopherol
An antioxidant and conditioning ingredient. In oily blends, it can be part of the work that slows oxidation.
PhenoxyethanolStability partners
Phenoxyethanol
An antimicrobial preservative used in cosmetic preservation systems. It belongs to the behind-the-scenes storage story.
EthylhexylglycerinStability partners
Ethylhexylglycerin
A conditioning ingredient often used alongside preservative ingredients. Several quiet jobs can sit behind one long name.
A list you already have
Give a few label names a familiar face
Paste ingredient names from a label. This small first guide explains only the same twelve names featured above. It keeps your order and leaves every other name visible, without guessing.
The interactive list view needs JavaScript. The twelve illustrated name cards and full directory remain readable without it.
Read the twelve name cards · Explore the full directory
Separate complete names with commas or semicolons. Up to 5,000 characters and 100 names. Your text stays in this page; this tool makes no upload or saved list.
This is a reading aid, not an assessment of the whole formula. It cannot determine amounts, suitability, safety or a product’s results.
Follow the fork in the story
One plant. Two different journeys.
A familiar plant name is only the beginning. Open each route to see which part becomes the ingredient and how its job changes.
Cacao
Inside the pod: seeds with a fatty part and cocoa solids. After preparation and grinding, pressing separates two useful streams.
Open a route ↓
The butter routeSeparate the fatty part
The separated fat becomes cocoa butter. In cosmetics it can bring emollient character and firmness to a blend. A cocoa-butter ingredient does not promise a chocolate scent.
Read the ingredient story →The cocoa-solids routeFollow what remains after pressing
The press cake retains cocoa solids and some fat. Milling it produces cocoa powder. This route gives the familiar plant a different destination from the firm butter used in a cosmetic blend.
Read the ingredient story →
Almond
Start with two parts you can picture: the edible kernel and the hard shell around it. Each has its own material journey.
Open a route ↓
The kernel routeRecover the oil
The kernel supplies sweet almond oil. In a cosmetic it belongs to the oily, emollient side of the blend. The plant part and preparation lead you to the complete name Prunus Amygdalus Dulcis Oil.
Read the ingredient story →
The shell routeClean, mill and grade
The hard shell can become a particulate powder. Particle size, shape, amount and use affect the feel. Prunus Amygdalus Dulcis Shell Powder is a different ingredient from the oil inside the kernel.
Read the ingredient story →These illustrations explain material routes, not exact production equipment or yields. A shared plant does not make the resulting ingredients interchangeable.
Pick a question.
Follow a little wonder.
Three ways into the atlas. Start with one ingredient, then follow the connections.
Feel & texture
How does a bar stay solid?
Soft, waxy, solid: meet three ingredients that help build the feel of a bar.
The science of washing
Where does lather come from?
Follow the ingredients that help water carry oil and dirt away.
Ingredient detective
What is that name on my label?
A long name can hide a simple job. Get to know three useful examples.
A change of perspective
Ordinary things.
Unexpected little stories.
Start with a texture, a grain or a familiar bottle. Let the picture lead you somewhere new.
Created photo study
That little cloud of lather
A wash is familiar. The ingredients that make it possible have a story of their own.
Read the story
Created illustration
A grain with more than one name
Meet the crop, then look at the preparation hidden in the small print.
Read the story
Created illustration
Looks like an oil. Has a wax identity.
Follow a seed into a liquid that makes the oil family more interesting.
Read the storyThe ingredient directory
Everyday names, unfamiliar labels and a few lovely surprises.
81 ingredients to explore
Follow the picture. Get to know the full name.
A question rather than an ingredient name?
The directory searches ingredient names. Try our everyday questions, explore a label, or clear the search to browse all ingredients.
Plant butters
Softness, body and the feel of a solid.
- In BK formulas
Shea butter
A shea butter’s yielding surface begins with something much harder: a kernel inside a shell. Between the savannah harvest and a warm stroke of a body bar lie drying, grinding, working and recovering the fat.
Explore ingredient - In BK formulas
Mango butter
The mango’s bright flesh gets our attention; its kernel holds a second material worth discovering. Follow that hidden part through recovery and finishing, and a pale cosmetic butter begins to make sense.
Explore ingredient - In BK formulas
Cocoa butter
A cacao pod grows against the tree’s trunk, with seeds packed into sweet pulp inside. Their journey through fermentation, drying and pressing gives two materials with different lives: cocoa powder and the firm fat used in cosmetics.
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Oils & emollients
The ingredients behind glide and spread.
Wider ingredient libraryOlive oil
An olive holds oil in its fleshy fruit. Follow one harvest from silver-leaved trees to the mill, and the familiar ingredient opens into stories of smooth balms, soap chemistry and a wreath preserved for millennia.
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Wider ingredient libraryArgan oil
Inside an argan fruit, a hard nut protects the kernels that supply the oil. Opening those kernels brings the story close to skilled hands, working Moroccan landscapes and the flowing ingredient a formulator receives.
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In BK formulasCoconut oil
Coconut oil makes temperature part of its story: the prepared fat can firm up in a cool setting and flow as it warms. Follow the white kernel through two processing routes, then see how one crop leads to several distinct ingredient names.
Explore ingredient- In BK formulas
Caprylic/capric triglyceride
A long label name hides a simple material question: how do you give a solid bar a smooth, spreading stroke? Caprylic/Capric Triglyceride follows selected fatty-acid chains into a prepared liquid that can work beside firmer butters and waxes.
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Wider ingredient libraryJojoba
Jojoba offers a pleasing surprise: a liquid that belongs to wax chemistry. Its desert shrub, seed reserves and processed derivatives let you follow the difference between what a material is made of and how it moves.
Explore ingredient- Wider ingredient library
Sweet almond oil
Before almond oil reaches a cosmetic, blossom opens and pollen moves between orchard trees. The harvested kernel then takes another journey: out of its shell, into a recovered oil, and through the fatty base of a blend.
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Wider ingredient libraryCastor oil
Castor oil moves with a slow, glossy character that makes viscosity easy to picture. Follow its patterned seed into the prepared oil, then into cosmetic tasks such as distributing pigment through a fatty base.
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Wider ingredient librarySunflower oil
A sunflower’s centre is a gathering of small flowers. Their seed harvest can become different oil grades—and a separately recovered wax—giving this familiar crop a rich story about selection, processing and physical form.
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Coco-caprylate
A firm body bar gives way to a spreading layer during a stroke. Coco-Caprylate helps explain that moment through ester chemistry, a prepared liquid and the grade choices hidden behind a compact ingredient name.
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Waxes
The scaffold that lets a balm keep its shape.
- In BK formulas
Beeswax
Before it shapes a balm, beeswax gives a colony places to raise young and store food. That first building job makes the everyday swipe more interesting.
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Wider ingredient libraryCandelilla wax
A wax coating on slender desert stems can become the firm edge of a balm. The pleasure comes when that support still allows an easy stroke.
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Wider ingredient libraryCarnauba wax
A coating on Brazilian palm leaves becomes a remarkably firm wax. In a balm, its most useful story is how that firm material supports softer neighbours.
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Wider ingredient libraryRice bran wax
An oil refiner separates out a waxy fraction; a balm maker can give it another job. Rice-bran wax shows how one crop can lead to several useful materials.
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Wider ingredient librarySunflower wax
The sunflower can supply flow as an oil and support as a wax. A finished stick brings those two material personalities together in the same small object.
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Wider ingredient libraryJojoba wax
Jojoba’s familiar flowing material is rich in wax esters. Hydrogenation gives it a firmer preparation, useful for building a different kind of texture.
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Wider ingredient libraryBerry wax
Some waxes help a stick stand firm; a softer wax can help it give a pleasant stroke. Berry wax adds that yielding personality to the texture conversation.
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Wider ingredient libraryBayberry · myrica wax
A wax recovered from a fruit-associated covering can bring a softer contribution to a balm. Myrica’s full botanical name keeps that story distinct from Rhus berry wax.
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Wider ingredient libraryOzokerite
A short wax name can preserve an old geological story while covering different present-day grades. The useful question is what the declared material brings to a stick now.
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Wider ingredient libraryCeresin
A refined wax may look plain in its bag, yet its grade reflects careful texture choices. Ceresin helps connect those choices with a balm that holds together and still moves.
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Wider ingredient libraryMicrocrystalline wax
A compact balm can hold plenty of flowing ingredients. Microcrystalline wax helps make that arrangement cohesive, while its source and grade tell another part of the story.
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Texture builders
The architecture you feel with your fingertips.
- In BK formulas
Cetyl alcohol
On a conditioner label, Alcohol can name a waxy supporting material. Cetyl alcohol helps explain why a long chemical name can hide a familiar, cushioned feel.
Explore ingredient - Wider ingredient library
Stearic acid
Stearic acid can bring waxy body to a formula. Change its chemistry into a stearate salt and the same chemical root leads towards a different job.
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Clays & powders
Mineral and plant particles, with different jobs.
Wider ingredient libraryRice starch
The same grain that becomes soft in a cooking pot can lend a balm a softly powdered finish. The difference starts with the tiny granules selected from it.
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Wider ingredient libraryCharcoal powder
A black bar shows you charcoal’s colour immediately. Its less visible story is the prepared carbon surface inside those dark particles.
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In BK formulasKaolin clay
Pale clay behaves differently from the butters beside it. Its fine particles stay particles, helping explain the softly opaque look and mineral feel of a blend.
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Wider ingredient libraryBentonite clay
A quiet-looking clay powder can change the movement of water. Bentonite’s most interesting scene begins when its layered minerals become properly dispersed and hydrated.
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In BK formulasVolcanic ash
A volcano’s ash contains fragments of glass, crystals and rock. In a cosmetic, the quieter story is how those fragments are selected and delivered in a prepared powder.
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Almond-shell powder
After the edible almond is removed, its hard shell still has a material story. Cleaning, milling and grading can turn that protection into a useful powder.
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Wider ingredient libraryIllite
A green clay can look familiar long before its mineral name does. Illite gives that colour story a firmer foundation: fine, layered particles with a different relationship to water from strongly swelling clays.
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Wider ingredient libraryMontmorillonite
A quiet mineral can reorganise a mixture when water arrives. Montmorillonite is one of the clays behind that transformation, with layered structure and exchangeable ions that help explain why one grade behaves differently from another.
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Wider ingredient libraryHectorite
Some of a product’s most useful work happens while it is standing still. Hectorite can help organise a mixture so that particles stay distributed, then let that mixture move differently when your hands put it to work.
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Wider ingredient libraryGhassoul · rhassoul clay
Ghassoul begins with a Moroccan mineral deposit and carries a long association with washing traditions. Follow it from a dry clay material to a water-mixed paste, then into the quite different surroundings of a finished cosmetic.
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Wider ingredient libraryFrench green clay
A green colour is an inviting first clue, but the back of the pack opens the more interesting story. French green clay can describe different mineral preparations, each with its own composition and relationship to water.
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Wider ingredient libraryPink clay
A rosy clay shade can come from a thoughtful blend of mineral materials. Pink clay invites you to look past the colour and meet its components, then see how those powders share a finished product with other ingredients.
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Cleansing ingredients
What actually helps oil and dirt rinse away.
- In BK formulas
Sodium cocoyl isethionate
A pale pellet gives little hint of the wash it can help create. SCI turns a coconut-related fatty starting material into a surfactant that works when water arrives.
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Sodium lauryl sulfoacetate
A dry foaming ingredient and the cloud of bubbles in a wash are two different scenes. SLSA helps connect them, once water and movement join the formula.
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Olefin sulfonate
A liquid concentrate can help make a solid wash. This ingredient’s story links a factory’s supplied material with the temporary washing mixture in your hands.
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Soap from plant oils
The same soap can meet different water in another bathroom. That small change of surroundings helps explain why the familiar bar is a chemistry story as well as an object.
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Conditioning & moisture
Care ingredients beyond the world of oils.
- In BK formulas
Behentrimonium methosulfate
A conditioner bar has to deliver its conditioning system through a useful texture. Behentrimonium methosulfate and its supporting ingredients help explain how the small solid does that work.
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Panthenol
Panthenol can flow slowly and still mix readily with water. That small material surprise is a useful entrance to provitamin B5, its manufacture and the moisture-related work that can sit inside a firm shampoo bar.
Explore ingredient - Wider ingredient library
Glycerin
A glycerin droplet is glossy and syrupy, yet it readily joins water. Following that small surprise leads from fat chemistry and old soap-making records to the moisture-related work happening inside a modern cosmetic bar.
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Sodium lactate
A fermentation vessel is an unexpected beginning for an ingredient in a firm bar. Sodium lactate follows carbohydrates into an acid, then a salt—often delivered in water—making its full name and supplied form especially useful clues.
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Hydrolyzed silk
A cocoon stores an astonishing length of filament. Short fibres separated during textile preparation can take another route, becoming hydrolyzed silk: prepared protein fragments supplied for a care formula rather than a thread you can see.
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Hydrolyzed keratin
A wool fibre and a liquid protein ingredient can look worlds apart. Hydrolyzed keratin follows the work between them: breaking protein chains into useful fragments, specifying the resulting mixture and finding its place in a care formula.
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Caffeine
Caffeine’s prepared crystals are white and odourless, a surprising distance from a dark cup of coffee. Follow their recovery or manufacture, then read the short ingredient name as a defined molecule with its own place in a care formula.
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In BK formulasBisabolol
Chamomile is a familiar doorway into bisabolol, but the named ingredient can come by several routes. Botanical recovery, synthesis and fermentation lead to a prepared molecule whose mixing behaviour is as interesting as its origin.
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Botanicals & extracts
Read the plant part, then the preparation.
In BK formulasNettle leaf and root
A nettle patch has a life above and below ground: leaves, roots, fibres and a place in the lives of insects. The cosmetic powder follows one part of that plant, making its exact declaration the best clue to read next.
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Pea sprout extract
A pea begins with stored reserves; a sprout begins to use them. Follow that brief growing stage into tended trays, a timed harvest and extraction, and Sprout Extract becomes a surprisingly informative name on a shampoo label.
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In BK formulasQuinoa seed extract
A quinoa panicle can hold seeds shaped by very different growing places. Follow the farmers’ choice of variety, the outer seed layers and extraction, and a familiar kitchen crop gains a second, carefully prepared life in cosmetics.
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Wider ingredient libraryAloe leaf juice
An aloe leaf invites you to look inside: an outer rind, a clear gel-like interior, and several possible processing routes. Following those routes explains how a familiar succulent can become juice, extract or a powder used in a solid cosmetic.
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Wider ingredient libraryOat kernel flour
The oat groat is the useful grain inside its hull. Follow it from a field harvest into milling, and a familiar breakfast crop becomes a clear lesson in particles, extracts and the small processing words on a cosmetic label.
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Microalgae extract
A microscopic culture can have a remarkably visible colour. Phormidium persicinum opens a story of red pigments, preserved scientific records and an exact extract name—one that deserves a closer look before being shortened to microalgae.
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Essential oils
BK’s scented solid bars use essential oils, with no added parfum or fragrance oils. Follow each plant from harvest to the bottle.
In BK formulasLavender essential oil
Open a lavender-scented drawer and a whole summer can appear in a moment. Behind that familiar fragrance is a working harvest: flowering stems, a loaded still and a condenser that turns passing vapour into an ingredient for the bathroom shelf.
Explore ingredient- In BK formulas
Ylang-ylang essential oil
Ylang-ylang begins with yellow petals that hang like loose ribbons from a tropical tree. Their scent does not arrive at the bottle all at once: the distiller can collect different passages, giving one flower several aromatic versions.
Explore ingredient - In BK formulas
Bergamot peel essential oil
Bergamot can bring to mind a curl of citrus peel or the fragrant lift of Earl Grey tea. Follow that familiar scent into a bar and the story becomes more precise: a fruit rind, an essential-oil grade and a carefully chosen place in a blend.
Explore ingredient - In BK formulas
Grapefruit peel essential oil
Cut a grapefruit and the juicy centre takes the attention. The essential-oil story begins in the rind: a bright aromatic layer with a slightly bitter edge, ready to take a different route from the breakfast bowl.
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In BK formulasPatchouli essential oil
Patchouli can suggest a dark wooden room, damp earth or a perfume remembered years later. Its botanical beginning is more surprising: leafy growth. In a bar, that deep scent can sit beside citrus and flowers, changing what catches your attention.
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In BK formulasBlack pepper essential oil
The pepper mill gives away two experiences at once: a fragrance rising from the crushed spice and a bite arriving with the food. Black pepper essential oil follows the fragrant route, leaving a useful chemistry lesson behind in the still.
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In BK formulasNyctanthes flower essential oil
A white flower with an orange centre can lead to a surprisingly precise ingredient question. Nyctanthes is often called night jasmine. Look closer and its petals, coloured tube and botanical name each open a different part of the story.
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In BK formulasSweet orange peel essential oil
An orange can scent the room while you are still lifting the first strip of rind. Sweet orange essential oil starts with that peel fragrance, then joins other botanical ingredients that can make a familiar citrus scent worth noticing again.
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In BK formulasMandarin peel essential oil
The loose rind of a mandarin is part of its everyday pleasure. For an essential-oil producer, that peel also offers a choice before processing even begins: the fruit’s stage of harvest can become part of the ingredient’s character.
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In BK formulasLime essential oil
A twist of lime above a glass leaves an unmistakable peel fragrance in the air. Follow the fruit a little closer and three layers come into view: aromatic rind, pale pith and juicy flesh, each with a different place in the ingredient story.
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In BK formulasLemon essential oil
A curl of lemon peel can leave more fragrance on your fingers than you expect. In a solid bar, that familiar scent may meet a spice fruit and another citrus rind, opening a small botanical tour inside an everyday blend.
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In BK formulasSpearmint essential oil
A bunch of spearmint on the kitchen counter has a friendly, rounded scent. In a wash bar, those leaves have already made a longer journey through harvesting and distillation, and their ingredient name helps you find this particular mint among its relatives.
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In BK formulasBergamot mint essential oil
Bergamot mint sends the imagination towards a citrus fruit, then leads you to a leafy herb instead. In BK’s Jasmine–bergamot mint bar, that herb meets a named flower oil: two botanical sources behind a short, inviting scent description.
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Wider ingredient libraryPeppermint essential oil
Peppermint can smell like a familiar sweet and feel unexpectedly cool. That everyday combination opens a remarkable science story: aromatic leaves, a distilled oil and a sensory channel whose discovery helped explain why menthol can signal cold.
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Wider ingredient libraryRosemary essential oil
A rosemary sprig on a chopping board is instantly recognisable. On a cosmetic label, the same plant can lead to different preparations. Follow Leaf Oil and Leaf Extract separately and an ordinary kitchen herb becomes a much better ingredient-reading lesson.
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Wider ingredient libraryTea tree essential oil
Tea tree essential oil begins far from the small bottle: rows of leafy plants, a harvest to schedule and a distillery waiting for the crop. One modern research project even looks down from satellites to help growers plan the work.
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Wider ingredient libraryLemongrass essential oil
Lemongrass brings a citrus-like fragrance from long grass leaves rather than a fruit rind. Its journey through the still offers another surprise: a researcher can change the recovery method and collect a different amount and profile from the same named plant.
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Wider ingredient libraryAtlas cedarwood essential oil
Atlas cedarwood can suggest a warm timber room or freshly opened wooden drawers. Follow the scent back far enough and the tree comes into view, along with a serious sourcing question: where did the wood enter the route to essential oil?
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Wider ingredient libraryGeranium essential oil
A rose-like impression can begin with a geranium leaf. Look closer than a garden photograph allows and the foliage has another surprise: tiny surface structures that researchers examine when studying the plant’s aromatic preparations.
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Wider ingredient libraryBlue gum eucalyptus essential oil
Blue-grey round eucalyptus leaves may remind you of a florist’s bunch; longer green leaves tell another part of the same blue-gum story. Follow those changing forms into a Leaf Oil preparation and a familiar tree becomes a more precise ingredient.
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The supporting cast
Stability, pH and other useful quiet jobs.
Wider ingredient librarySodium bicarbonate
A dry bath product keeps its ingredients waiting. Water changes the scene: sodium bicarbonate can join an acid in the familiar rush of fizz.
Explore ingredient- In BK formulas
Vitamin E · tocopherol
An oily formula has a story after it is made: air and storage can change its scent and character. Tocopherol connects that quiet stability work with vitamin E history and the recovery of a valuable fraction from much larger oil streams.
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Phenoxyethanol
A supporting ingredient can be almost invisible in use and still have a practical job. Phenoxyethanol follows a clear liquid into the preservation system of a cosmetic that will be stored, handled and used around water.
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Ethylhexylglycerin
A longer name changes glycerin’s material story. Ethylhexylglycerin brings two different molecular regions together, leading into skin-feel uses and a useful partnership with phenoxyethanol in preservation research.
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Wider ingredient libraryCitric acid
Citric acid suggests a cut lemon, yet commercial crystals often begin in fermentation. Following sugar conversion, recovery and dissolution reveals an ingredient whose quiet work concerns the watery chemical conditions around a formula.
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Wider ingredient libraryZinc ricinoleate
Castor oil’s chemistry can take a new direction when a related fatty acid is made into a zinc salt. Zinc ricinoleate opens a useful deodorant story: how a material can manage certain odour compounds while the base provides shape and spread.
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A bigger ingredient world.
This growing mini encyclopedia covers ingredients used in BK formulas and a wider world of solid cosmetics. It is a selected library, not a list of every possible ingredient.
What do the ingredient labels mean?
In BK formulas means the published ingredient section or an explicit manufacturer ingredient description names this material. Product links identify which evidence is available. Wider ingredient library means no confirmed match in the catalogue evidence reviewed; it is here for learning, without a product recommendation.
Each story connects an origin, a texture and a formulation role. The finished product always matters more than one ingredient in isolation.
Illustrations help you recognise a plant origin or a representative material form. They do not establish a supplier, grade or finished-product composition.
Look a little closer
Small ingredients. Quite a story.
A seed hidden in a pod. A familiar leaf with a less familiar preparation. A wax recovered from an oil stream. Start with the detail that catches your eye, then follow it into the full story.
Gouache & cut-paper collageCocoa butter
The trunk carries the first chapter, and the press comes later. Pods, pulp-covered seeds and prepared butter let the same crop keep its vivid beginning beside its quieter fatty destination.
Cyanotype & ink botanical studyNettle leaf and root
The leaf edge introduces the standing plant, while the dried leaves suggest another material stage. Return to the actual powder wording in this chapter: a botanical portrait cannot resolve Herbal Powder’s unspecified plant part.
Textured paper collageRice bran wax
Grain, bran, oil and wax become separate paper forms. They accompany the refining chapter, where controlled cooling selects a wax fraction from an oil stream rather than changing the whole grain.
Created illustrations and photographic studies help picture the story. They do not document a supplier, a BK batch or a measured result. Read the chapter sources for the material facts.
Four moments to follow
Names, discoveries and the people behind them
These are four separate histories, connected here by curiosity. A botanical name, an early account of glycerin, a clay renamed, and research into how we sense cold each open a different ingredient story.
Created illustration
1753
A botanical name enters print
Kew records the first publication of the species name Nyctanthes arbor-tristis in Species Plantarum.
Source1783
Scheele’s report
A sweet substance in oils and fats enters a published account.
Source1898
Bentonite
The name changes because Taylorite is already in use.
Source2021
Nobel recognition
The Nobel Assembly’s scientific background connects TRPM8 with the discoveries recognised for temperature and touch perception.
Source
Dates and descriptions come from the cited records in the linked stories. The spacing shows reading order, not elapsed time. Research milestones do not establish the effects of a finished cosmetic.
From the label to everyday life
Small bar. Many jobs.
A swipe, a rinse, a scent: familiar moments lead to different ingredient jobs. Follow one of these five examples into its story.
Hold a shape
Wax helps give an oily blend a solid structure.
Meet BeeswaxHelp it glide
A liquid wax brings an emollient part to a formula.
Meet JojobaHelp water wash
A cleansing ingredient helps oil and dirt rinse away.
Meet Sodium cocoyl isethionateChange the feel
A fine mineral powder adds a different tactile presence.
Meet Kaolin clayGive it a scent
An essential oil joins a fragrance blend.
Meet Lavender essential oil
These examples show general formulation roles. They are a guide to exploring ingredients, rather than a recipe for one bar.
A look inside the bar
Three formats. Three different stories.
A solid shape tells you how to hold a product. The ingredients tell you what it is built to do. Follow a role into its own story.
Different materials, different journeys. An illustrated overview of plant material, processing tools and prepared ingredients.
A body bar
A spreading fatty blend that can stay together on the shelf.
A wash bar
A portable cleansing formula with a wet stage.
A conditioner bar
A blend whose conditioning and texture ingredients share the work.
Illustrative formula roles. Ingredients and amounts vary by product; these are educational examples, not recipes or BK ingredient lists.
Follow a useful thread
One small discovery can open the next story.
Carry an ingredient beyond its portrait. Follow a flower through the still, meet a solid blend in use, give hair care its proper place, or find your own words for a scent you enjoy.
Ingredient atlas
Lavender essential oil · The field ends at the condenser
Follow lavender beyond the flowering plant to the preparation of its essential oil.
Explore this ingredient Related readingFirst use: separate skin reactions from texture preferences
Try the finished butter on one small area and notice how much transfers, how it spreads and the layer it leaves.
Read this section Related readingConditioner, masks and styling: what should stay?
Cleansing and conditioning have different jobs. Follow how conditioner fits around the wash and the needs of your lengths.
Read this section Related readingHow to test a perfume fairly
Compare scents on ordinary days and keep notes about the impressions you actually enjoy.
Read this sectionA slower look
Small details. Stories worth keeping.
A leaf opened to the light. A flower full of flowers. A workshop tray with another destination. Take a different route into the ingredients you meet every day.
Created macro photographLook inside a leaf
The bright, wet interior is only the beginning of aloe’s journey to a label.
Follow this story
Created botanical printMeet a flower’s many neighbours
Look closely at a sunflower head, then follow the material that becomes an oil.
Follow this story
Created pencil and watercolour plateFollow the curled shaving
A documented wood-recovery route begins with a surprisingly familiar workshop material.
Follow this storyCreated scene or artwork; representative appearance. The image does not document a supplier or a finished-product result.
A little label detective work
Three names worth a second look
Sweet almond oil
Almond-shell powder
One almond, different ingredients
The kernel gives us oil; the shell can become a powder. Follow the plant part and the preparation to understand each ingredient’s job.
Follow the almond storyCetyl alcohol
An alcohol with a waxy feel
Cetyl Alcohol can arrive as solid pellets that help build a creamy texture. Its long name belongs to a fatty alcohol.
Meet a fatty alcoholVitamin E · tocopherol
Phenoxyethanol
Two parts of the shelf-life story
Changes in oils and the growth of microbes call for different kinds of care. An antioxidant and a preservative have separate jobs.
Meet the supporting cast
