The library

Ingredient library

Every ingredient SkinAtlas knows about — all 2402 of them. What each one does, what it works well with, and what to watch for.

All 2402 ingredients — page 58 of 101

Other
Nylon-12

A synthetic polyamide (nylon) powder used as a film-former and texture agent that imparts a smooth, soft-focus finish and helps control shine in sunscreens and color cosmetics.

film-formertexture-enhancerabsorbent
Creates a soft, smooth, blurring finish on skinAbsorbs excess oil to reduce shineImproves spreadability and texture in sunscreens and foundations
A synthetic microplastic particle — some manufacturers are moving to biodegradable alternatives under environmental regulations
Soothing
Nymphaea Alba Flower Extract

Extract from the flowers of Nymphaea alba (European white water lily). Contains flavonoids, alkaloids, and polyphenols with soothing and antioxidant properties. Used in K-beauty as a calming botanical particularly in sensitive-skin and essence formulas.

soothingantioxidantskin-conditioning
Soothes redness and irritation with anti-inflammatory flavonoidsProvides antioxidant protection from alkaloids and phenolic compoundsGentle brightening and skin-evening effect
+ Centella Asiatica Extract+ Allantoin+ Panthenol
Preservative
O-Cymen-5-Ol

A synthetic phenol derivative (4-isopropyl-3-methylphenol) used as a broad-spectrum cosmetic preservative with antibacterial and antifungal activity; permitted up to 0.1% in the EU.

preservativeantimicrobial
Broad-spectrum antimicrobial activity against bacteria and fungiEffective at low concentrations (up to 0.1% EU / 0.5% CIR-assessed)
Neurotoxicity observed in animal studies at high doses (Japanese regulatory concern); EU permits up to 0.1% onlyAvoid in rinse-off vs leave-on: lower risk in rinse-off formulas
Antioxidant
Ocimum Basilicum (Basil) Flower/Leaf Extract
Ocimum Basilicum Flower/Leaf Extract

An extract from the flowers and leaves of Ocimum basilicum (sweet basil) containing flavonoids, rosmarinic acid, and essential oil components with antioxidant and skin-conditioning properties.

antioxidantskin-conditioning agentsoothing agent
Contains flavonoids, rosmarinic acid, and ursolic acid with antioxidant propertiesProvides mild soothing and anti-inflammatory benefitsMay help protect against environmental stressors
May cause sensitivity in those allergic to Lamiaceae family plants; contains linalool (fragrance allergen) naturally
Antioxidant
Ocimum Basilicum (Basil) Flower/Leaf/Stem Extract
OCIMUM BASILICUM FLOWER/LEAF/STEM EXTRACT

Whole-plant extract from Ocimum basilicum (sweet basil). Contains rosmarinic acid, linalool, eugenol, and flavonoids. Used in multi-botanical serum blends for its antioxidant and mild antimicrobial properties.

antioxidantantimicrobialskin-conditioning
Rich in rosmarinic acid and flavonoids for antioxidant skin protectionMild antimicrobial properties support a balanced skin environmentTraditional herb with soothing phytocomplex
May cause sensitivity in individuals allergic to Lamiaceae plants
+ Tocopherol+ Centella Asiatica Extract
Fragrance
Ocimum Basilicum (Basil) Oil
Ocimum Basilicum Oil

An essential oil steam-distilled from Ocimum basilicum (sweet basil) leaves and flowers, used in cosmetics as a fragrance ingredient; some chemotypes are high in estragole (methyl chavicol), which has EFSA-identified genotoxicity concerns and is subject to IFRA concentration restrictions.

PerfumingAntimicrobialSkin conditioning
Contributes a fresh, spicy-herbal fragrance noteMild antimicrobial properties
Contains linalool (EU-regulated fragrance allergen requiring disclosure above threshold concentrations)High-estragole (methyl chavicol) chemotypes raise genotoxicity concerns per EFSA; IFRA 51st Amendment severely restricts estragole-rich basil oil
Antioxidant
Ocimum Sanctum Leaf Extract

An extract of holy basil (tulsi) leaves rich in antioxidant and soothing compounds.

antioxidantsoothing
Antioxidant protectionSoothes skinHelps defend against environmental stress
Active
Octadecenedioic Acid

A naturally derived dicarboxylic acid (C18 unsaturated) produced by bioconversion of oleic acid; used in premium skincare as a mild skin-brightening and antimicrobial active.

skin-brighteningantimicrobialskin-conditioning
A C18 long-chain dicarboxylic acid derived from oleic acid by biotransformationInhibits melanin synthesis (tyrosinase inhibition) for a brightening effectMild antimicrobial properties support skin clarity
+ Niacinamide+ Arbutin
Humectant
Octanediol
1,8-OCTANEDIOL

1,8-Octanediol is a straight-chain C8 aliphatic diol used as a humectant and multifunctional preservative booster with inherent antimicrobial properties, distinct from 1,2-octanediol (caprylyl glycol).

humectantpreservative-boosterantimicrobial
Provides humectant moisturizationBoosts preservative efficacy at low concentrationsBroad-spectrum antimicrobial activity that reduces the need for traditional preservatives
May cause mild irritation at high concentrations
UV filter
Octisalate
Ethylhexyl Salicylate

A classic UVB-absorbing chemical sunscreen filter that also helps dissolve other filters.

uv-filter
Absorbs UVB radiationHelps stabilize and solubilize other UV filters
+ Avobenzone+ Octocrylene+ Homosalate
UV filter
Octocrylene

A chemical UV filter often used to stabilize avobenzone.

chemical-filter
UVB protectionStabilizes other filters
Possible sensitivity for some
Emollient
Octyldodecanol

A branched-chain fatty alcohol ester used as an emollient and co-solvent that provides a rich but non-sticky skin feel.

emollientsolvent
Rich, non-greasy emollient feelImproves texture and spreadabilityHelps dissolve other ingredients
Surfactant
Octyldodeceth-16

A nonionic surfactant used to solubilize oils into water-based formulas.

emulsifiersolubilizer
Helps blend oil and water
Emollient
Octyldodecyl Myristate
OCTYLDODECYL MYRISTATE

An ester of octyldodecanol and myristic acid. One of the lightest, most elegant esters used in skincare. Provides excellent spreadability and a dry, silky skin feel without greasiness.

emollientskin-conditioning
Very lightweight, non-greasy emollientSpreads well — improves product eleganceNon-comedogenic
+ Dimethicone+ Glycerin
Emollient
Octyldodecyl Neopentanoate

An ester of octyldodecanol and neopentanoic acid used as a lightweight emollient, common in sunscreen and color cosmetic formulas.

emollient
Light, silky emollient feelEnhances spreadability of sunscreens and creams
Emollient
Octyldodecyl PCA

An ester of octyldodecanol and pyrrolidone carboxylic acid (PCA) used as a rich emollient and skin-conditioning agent that combines the lubricating properties of a fatty ester with the moisturizing moiety of PCA.

emollienthumectantskin-conditioning
Rich, skin-compatible emolliencyPCA moiety provides mild humectant/skin-conditioning effectSmooth, luxurious skin feel
Generally well tolerated; low sensitization potential
Antioxidant
Oenothera Biennis Flower Extract

An extract from evening primrose flowers with antioxidant and anti-inflammatory properties, distinct from the GLA-rich seed oil.

antioxidantsoothing
Antioxidant protectionSoothes and calms irritated skin
Antioxidant
Oenothera Biennis Flower/Leaf/Stem Extract

Extract from the flowers, leaves, and stems of Oenothera biennis (evening primrose). Complements the oil (from seeds) with water-soluble phenolic antioxidants.

antioxidantsoothingskin-conditioning
Whole-plant extract from evening primrose delivering polyphenols, ellagitannins, and GLA-related compoundsDistinct from evening primrose seed oil — includes water-soluble antioxidants from aerial plant parts
Emollient
Oenothera Biennis Oil
Oenothera Biennis (Evening Primrose) Oil

A GLA-rich evening primrose oil that softens and calms dry, sensitive skin.

emollientsoothing
Rich in gamma-linolenic acid (GLA)Soothes and conditions dry, reactive skin
+ Tocopherol
Active
Oenothera Biennis Seed Extract
Oenothera Biennis (Evening Primrose) Seed Extract

An extract from the seeds of Oenothera biennis (evening primrose), distinct from the GLA-rich expressed seed oil, used for antioxidant and skin-conditioning properties.

antioxidantskin-conditioningsoothing
Antioxidant protection from phenolic compoundsSkin conditioningSoothing support
Generally well tolerated at cosmetic use levels
Emollient
Oil-Soluble Coix Lacryma-Jobi Ma-Yuen Seed Extract
COIX LACRYMA-JOBI MA-YUEN SEED EXTRACT (OIL-SOLUBLE)

An oil-soluble fraction of Coix lacryma-jobi ma-yuen (Job's Tears) seed extract, distinct from the water-soluble form. Contains lipid-soluble bioactives including sterols and ceramide-analogous lipids.

emollientantioxidantskin-conditioning
Oil-extracted form of Job's Tears (Coix) seed containing ceramide-like lipids, sterols, and fat-soluble antioxidantsSupports skin barrier function and provides light emolliency; complements the water-soluble extract's hydration
+ Coix Lacryma-Jobi (Job's Tears) Seed Extract
Antioxidant
Olea Europaea (Olive) Fruit Extract
OLEA EUROPAEA FRUIT EXTRACT

A polyphenol-rich aqueous extract from olive fruit, distinct from olive oil. Delivers hydroxytyrosol and oleuropein — potent antioxidants that protect against UV-induced oxidative damage and calm inflammation.

antioxidantsoothing
Rich in polyphenols (oleuropein, hydroxytyrosol) with strong antioxidant activityAnti-inflammatory — calms oxidative-stress-related rednessDistinct from olive oil: the extract is water-soluble and richer in phenolics
Olive allergy is uncommon but possible
+ Vitamin E+ Niacinamide
Emollient
Olea Europaea (Olive) Fruit Oil
Olea Europaea Fruit Oil

Olive fruit oil, a rich emollient high in oleic acid and antioxidants.

emollientantioxidant
Rich nourishmentAntioxidant-rich
Heavy and occlusive — may not suit very oily or acne-prone skin
+ Tocopherol
Emollient
Olea Europaea (Olive) Husk Oil
OLEA EUROPAEA HUSK OIL

Oil extracted from the husk/pomace of Olea europaea (olive) fruit after pressing. Similar fatty acid profile to olive fruit oil (primarily oleic acid) but with a lighter texture.

emollientskin-conditioning
Rich emollient derived from the pomace/husk of olives, delivering oleic acid for moisture sealingMore refined and oxidation-stable than cold-pressed fruit oil
High in oleic acid — may be comedogenic for acne-prone or oily skin types with heavy application