The library

Ingredient library

Every ingredient SkinAtlas knows about — all 2250 of them. What each one does, what it works well with, and what to watch for.

All 2250 ingredients — page 22 of 94

Surfactant
Cocamide DEA
COCAMIDE DEA

A diethanolamide surfactant derived from coconut oil fatty acids. Used as a foam booster and viscosity builder in cleansers. The EU restricts nitrosamine levels in products containing cocamide DEA.

foam boostingviscosity buildersurfactant
Enhances foam and latherThickens cleansing formulas
May form nitrosamines under certain conditions; avoid in products with nitrosating agentsMild skin sensitizer in some individuals
+ Sodium Lauryl Sulfate+ Cocamidopropyl Betaine
Surfactant
Cocamide MEA

A coconut-derived fatty acid monoethanolamide used as a foam booster and thickener in cleansers and shampoos.

foam-boosterthickeneremulsifier
Boosts and stabilizes foam in cleansersThickens cleansing formulasImproves skin feel during cleansing
Surfactant
Cocamidopropyl Betaine

A mild, coconut-derived co-surfactant.

Gentle cleansingBoosts foam
A recognized contact allergen/sensitizer (often due to manufacturing impurities); can trigger reactions in sensitive individuals
Surfactant
Cocamidopropyl Hydroxysultaine

A mild, zwitterionic coconut-derived surfactant used in gentle cleansers to boost foam and reduce the irritation potential of primary surfactant systems.

surfactantfoam-booster
Mild cleansing with good foamReduces irritation potential of other surfactantsWell tolerated by sensitive skin
Antioxidant
Coccinia Indica Fruit Extract

An extract from ivy gourd (Coccinia indica) fruit, a tropical plant rich in carotenoids and polyphenols, used in K-beauty formulas for antioxidant and soothing properties.

antioxidantsoothing
Antioxidant protection from carotenoids and polyphenolsSoothes and conditions skin
Active
Cochlearia Armoracia Root Extract
Cochlearia Armoracia (Horseradish) Root Extract

An extract from horseradish root containing peroxidase enzymes and glucosinolates, used in exfoliating toners (notably Biologique Recherche P50) for mild enzymatic exfoliation and brightening.

exfoliantbrighteningantimicrobial
Mild enzymatic exfoliation via peroxidase enzymesHelps brighten and even skin toneAntimicrobial properties
Can cause irritation or sensitization at high concentrations due to isothiocyanatesNot recommended for sensitive or reactive skin at high doses
Surfactant
Coco-Betaine

An amphoteric betaine surfactant derived from coconut fatty acids (mixed C8–C18 chain lengths), used as a mild co-surfactant and foam booster in cleansers and shampoos.

surfactantskin-conditioningantistaticfoam booster
Mild amphoteric surfactant with gentle cleansingReduces irritation potential of anionic surfactantsImproves foam quality and creaminess
Contact allergy possible in sensitive individuals, though less common than with amide-modified versions
Emollient
Coco-Caprylate

A coconut-derived ester of caprylic acid that delivers an exceptionally light, dry emollient feel; the pure caprylate form, distinct from the mixed Coco-Caprylate/Caprate blend.

emollientsolvent
Ultra-light, dry-touch emollient feelNon-greasy and fast-absorbingImproves spreadability
Emollient
Coco-Caprylate/Caprate

A coconut-derived ester blend of caprylate and caprate that delivers an exceptionally light, dry emollient feel popular in serums and K-beauty products.

emollientsolvent
Ultra-light, dry skin feelNon-greasy, fast-absorbingImproves spreadability
Surfactant
Coco-Glucoside

A gentle, plant-derived non-ionic surfactant.

Mild cleansingGood for sensitive skin
Surfactant
Coconut Acid

A mixture of fatty acids derived from coconut oil (primarily lauric, myristic, and capric acids) used as a surfactant, emulsifier, and emollient in cleansers and creams.

surfactantemulsifieremollient
Provides cleansing and lather when saponifiedSoftens and conditions skin
Emollient
Cocos Nucifera (Coconut) Fruit Extract

An extract from coconut fruit pulp (Cocos nucifera), distinct from coconut oil, providing conditioning polyphenols and emollient properties that soften skin.

emollientconditioningantioxidant
Softens and conditions skinProvides antioxidant polyphenols from coconut fleshHelps improve skin texture and radiance
Emollient
Cocos Nucifera Oil

Coconut oil, a rich occlusive emollient.

emollient
Rich nourishment
Highly comedogenic — can clog pores on acne-prone skin
Surfactant
Cocoyl Hydrolyzed Collagen

An N-acyl amino acid surfactant formed from coconut fatty acid and hydrolyzed collagen. Functions as a mild cleansing agent and skin conditioner in premium cleansing balms.

surfactantcleansingskin-conditioning
Protein-based surfactant from coconut fatty acid and hydrolyzed collagen — cleanses mildly while conditioning skinProvides a rich, creamy lather with skin-softening afterfeel; used in Elemis Pro-Collagen Cleansing Balm
Antioxidant
Coenzyme A

Coenzyme A (CoA), a critical cofactor in fatty acid metabolism and the citric acid cycle. Topically, it is included in Filorga's comprehensive NCEF complex to replicate the composition of injectable skin-renewing treatments.

skin-conditioningantioxidant
Essential metabolic coenzyme involved in fatty acid synthesis and cellular energy pathways; supports skin cell renewal processesIncluded in Filorga NCEF as a cellular metabolism cofactor to mimic the profile of injectable mesotherapy cocktails
Antioxidant
Coenzyme Q10
Ubiquinone

An antioxidant naturally found in skin cells.

AntioxidantSupports energy of skin cells
Antioxidant
Coffea Arabica (Coffee) Extract
COFFEA ARABICA SEED EXTRACT

Extract from Coffea arabica (coffee) seeds. Rich in chlorogenic acids, caffeine, and polyphenols. Provides antioxidant protection and mild brightening effect. Used in serums and anti-aging products.

antioxidantskin-brighteningskin-conditioning
Rich in polyphenols and chlorogenic acids — antioxidant protectionMild skin brighteningEnergizing skin conditioning
+ Caffeine+ Niacinamide
Antioxidant
Coffee Bean Extract
Coffea Arabica Seed Extract

An extract from coffee bean seeds rich in chlorogenic acids and polyphenols that provides antioxidant protection and helps visibly reduce the appearance of puffiness.

antioxidantsoothing
Antioxidant protection from chlorogenic acids and polyphenolsVisibly de-puffs and refreshes tired skin
Soothing
Coix Lacryma-Jobi (Job's Tears) Seed Extract

Job's Tears (hatomugi) seed extract, a staple J-beauty botanical valued for calming, hydrating and mild brightening effects on dull or rough skin.

soothingbrightening
SoothesHydratesHelps even tone
+ Niacinamide+ Glycerin
Emollient
Coix Lacryma-Jobi Seed Oil
COIX LACRYMA-JOBI SEED OIL

Oil cold-pressed from the seeds of Coix lacryma-jobi (Job's Tears / adlay), a grain used in traditional East Asian medicine and skincare prized for its moisturizing properties.

emollientskin-conditioningantioxidant
Rich emollient oil with moisturizing fatty acidsContains tocopherols for antioxidant protectionTraditional Japanese ingredient with brightening reputation
+ Coix Lacryma-Jobi (Job's Tears) Seed Extract
Antioxidant
Cola Acuminata Seed Extract

An extract from kola nut seeds rich in polyphenols and methylxanthines (caffeine, theobromine) used for antioxidant and skin-conditioning benefits.

antioxidantsoothing
Antioxidant protection from polyphenols and methylxanthinesHelps support a refreshed-looking complexion
Humectant
Collagen

Undissolved native collagen protein used in cosmetics as a humectant and film-former that conditions the skin surface; distinct from hydrolyzed or soluble collagen forms.

humectantfilm-formerconditioning
Forms a conditioning film on the skin surfaceAttracts and retains moistureLeaves a smooth, supple feel
A topical moisturizing/film-forming agent — does not replace or rebuild the skin's own collagen
Humectant
Collagen Amino Acids
Hydrolyzed Collagen Amino Acids

The free amino acid mixture released by complete hydrolysis of collagen, used as a humectant and skin-conditioning agent.

humectantconditioningamino-acid
Attracts and retains moistureConditions the skin surfaceSupplies the key amino acids (glycine, proline, hydroxyproline) that make up skin's own collagen
Soothing
Colloidal Oatmeal
Avena Sativa

Finely milled oats that calm and protect sensitive skin.

Soothes itch and irritationSupports barrier