Beauty ingredient research

Beauty ingredients explained in plain English

Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.

20769

Reviewed ingredients

524

Low-concern standouts

2884

Need usage caution

Showing 60 of 20,303
AllUV absorberUV filterabrasiveabsorbentacne treatmentactiveactive ingredientadhesivealkalizing agentamino acidanti-aginganti-androgenanti-cavityanti-cavity agentanti-inflammatoryanti-irritantanticariesanticavity agentantidandruffantifungalantimicrobialantioxidantantiperspirantantiplaqueastringentbarrier repairbarrier supportbarrier-repairbarrier-supportbinderbinding agentbiotechbiotechnologybond-builderbotanicalbotanical extractbotanical oilbotanical waterbrighteningbrightening agentbufferbuffering agentcell-communicating ingredientceramidechelating agentchemicalchemical intermediateclaycleansercleansingcleansing agentcolorantconditionerconditioningconditioning agentcooling agentcosmeticcosmetic additivecosmetic colorantcosmetic ingredientcosmetic pigmentcosmetic powdercosmetic-texturizercosmetic-waxcosmeticscrosslinking agentdelivery agentdelivery systemdenaturantdeodorantdeodorant agentdepigmenting agentdepilatorydepilatory agentdesensitizing agentdyedye intermediatedye precursordye-intermediateemollientemulsifierenzymeessential oilexfoliantexperimentaleyelashfermentfilm formerfilm-formerfilm-formingfilm-forming agentfirming agentfixativeflavoring agentformulationfragrancefragrance ingredientfunctional ingredientgashair carehair colorhair coloranthair conditionerhair dyehair removalhair-carehair-colorhaircarehumectantindustrialinsecticideintermediatelashlash carelash enhancerlash-and-browlip carelipidmakeupmarine extractmasking agentmicrobiomemicrobiome modulatormineralmoisturizernail carenail-careocclusiveoilopacifieropacifying agentoptical agentoral careotheroxidative dyeoxidative dye precursoroxidizing agentpH adjusterpain reliefpenetration enhancerpeptidepersonal careph adjusterpharmaceuticalpheromonepigmentplant oilplasticizerpolymerpolymer precursorprebioticprescription-drugpreservativepreservative boosterprobioticprocessing agentprocessing aidpropellantproteinpurifyingreducing agentretinoidscalp caresebum regulatorsebum-regulatorself-tannerself-tanningsensory additivesensory agentsensory modifiersiliconeskin barrierskin barrier supportskin conditionerskin conditioningskin conditioning agentskin lighteningskin protectantskin-conditioningskin-conditioning agentskin-identicalskin-identical ingredientskin-lighteningskin-lightening agentskincaresolventsoothingsoothing agentstabilizerstimulantsunscreensurfactantsyntheticsynthetic colorantsynthetic dyesynthetic resinsynthetic-coloranttexture enhancertexturizerthickenertoneruv-absorberuv-filtervasoactivevasodilatorviscosity controlviscosity controllingviscosity controlling agentvitaminwax

Film Former

Vinyl Chloride/Vinyl Laurate Copolymer

VINYL CHLORIDE/VINYL LAURATE COPOLYMER

3.5

A synthetic film-former that helps makeup and sunscreen stay put, but its vinyl chloride component raises minor safety questions in high-exposure scenarios.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Film Former

Vinyl Dimethicone

VINYL DIMETHICONE

4.0

Vinyl Dimethicone is a safe, non-comedogenic silicone that gives products a silky feel and helps other ingredients spread evenly.

Irritation

low

Source

synthetic

beautyskincarefilm former
Read ingredient review

Film Former

Vinyl Dimethicone Crosspolymer Blend

VINYL DIMETHICONE/LAURYL/BEHENYL DIMETHICONE CROSSPOLYMER

4.0

A silicone crosspolymer that gives a silky, smooth feel to products without clogging pores or causing irritation.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

Vinylamine/Vinyl Alcohol Copolymer

VINYLAMINE/VINYL ALCOHOL COPOLYMER

4.0

A synthetic film-former that helps products stay put, resist water, and feel smooth — generally safe and non-irritating for most skin types.

Irritation

low

Source

synthetic

beautyskincarefilm-former
Read ingredient review

Film Former

Vinyldimethicone

Vinyldimethicone

4.0

A gentle silicone that helps products glide on smoothly and creates a breathable, non-greasy film on skin or hair.

Irritation

low

Source

synthetic

beautyskincarehaircare
Read ingredient review

Texture enhancer

Vinyldimethicone Crosspolymer

Vinyldimethicone Crosspolymer

4.5

A safe, non-irritating silicone powder that gives a silky finish and helps blur imperfections without clogging pores.

Irritation

low

Source

synthetic

beautyskincarecosmetic
Read ingredient review

Film Former

Vinylpyridine Copolymer

VINYLPYRIDINE/TETRAHYDRODIMETHYL-METHANO-INDENE

3.5

A synthetic polymer that helps makeup and sunscreen stay put, but offers no active skincare benefit.

Irritation

low

Source

synthetic

beautyskincarefilm-former
Read ingredient review

Film Former

Vinylstyrene

VINYLSTYRENE

1.0

Vinylstyrene is not a common skincare ingredient; it is a synthetic monomer used in industrial polymers and nail products, with limited safety data for direct skin contact.

Irritation

moderate

Source

synthetic

beautyskincareother
Read ingredient review

Soothing agent

Viola Prionantha Powder

VIOLA PRIONANTHA POWDER

3.8

A gentle botanical powder with traditional soothing and antioxidant potential, but clinical evidence is limited.

Irritation

low

Source

natural

beautyskincarebotanical
Read ingredient review

Soothing Agent

Viola Yedoensis Extract

VIOLA YEDOENSIS EXTRACT

4.0

A gentle botanical extract that may help calm irritated skin and provide antioxidant protection, though research is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical extract
Read ingredient review

Antioxidant

Violacein

Violacein

3.8

Violacein is a promising biotech-derived antioxidant with early research suggesting it may help protect skin from environmental stress, but human studies are still limited.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Soothing agent

Violet Willow Extract

Salix daphnoides bud/leaf/stem extract

4.0

A gentle botanical extract from violet willow that may help calm skin and provide antioxidant support, though research is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical extract
Read ingredient review

Soothing Agent

Virginia Grapefern Extract

Botrychium Virginianum Extract

3.8

A gentle fern extract with antioxidant potential, best for soothing sensitive or irritated skin.

Irritation

low

Source

natural

beautyskincarebotanical
Read ingredient review

Antioxidant

Virginia Nightshade Extract

Solanum Virginianum Extract

3.5

A gentle botanical extract with antioxidant potential, but research on its specific skin benefits is still limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
Read ingredient review

Fragrance

Virginian Juniper Oil

Juniperus Virginiana Oil

3.8

Virginian Juniper Oil can help balance oily skin and fight acne-causing bacteria, but its strong fragrance and potential for irritation mean it's best for those without sensitive skin.

Irritation

moderate

Source

natural

beautyskincarefragrance
Read ingredient review

Fragrance

Virginian Juniper Wood Oil

Juniperus Virginiana Wood Oil

3.8

A fragrant wood oil that adds a warm, woody scent to products and may offer mild astringent benefits, but can be irritating for sensitive skin.

Irritation

moderate

Source

natural

beautyskincarefragrance
Read ingredient review

Emollient

Virola Sebifera Nut Oil

VIROLA SEBIFERA NUT OIL

4.0

A rich, plant-based oil that softens and conditions skin with a low risk of irritation, though research on its specific benefits is still limited.

Irritation

low

Source

natural

beautyskincareemollient
Read ingredient review

Emollient

Virola Seed Butter

VIROLA SURINAMENSIS SEED BUTTER

4.0

A rich, plant-based butter that softens and conditions skin with a high fatty acid content, but research on its specific benefits is still limited.

Irritation

low

Source

natural

beautyskincareemollient
Read ingredient review

Exfoliant

Virola Seed Powder

VIROLA SEBIFERA SEED POWDER

3.5

A gentle, natural seed powder that helps polish away dead skin cells without harsh microbeads.

Irritation

low

Source

natural

beautyskincareexfoliant
Read ingredient review

Emollient

Virola Surinamensis Shell Oil

VIROLA SURINAMENSIS SHELL OIL

3.8

A gentle, plant-based emollient that softens skin and locks in moisture, but research on its unique benefits is still limited.

Irritation

low

Source

natural

beautyskincareemollient
Read ingredient review

Vasodilator

Visnadine

VISNADINE

3.5

Visnadine may help improve skin microcirculation for a temporary glow, but evidence is limited and it can cause irritation in sensitive skin.

Irritation

moderate

Source

natural

beautyskincarevasodilator
Read ingredient review

Soothing agent

Visnaga Vera Extract

Visnaga Vera Fruit/Stem Extract

3.8

A gentle botanical extract with soothing and antioxidant potential, but research on its cosmetic benefits is still limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
Read ingredient review

Soothing Agent

Visnaga Vera Fruit Extract

Visnaga Vera Fruit Extract

3.8

A gentle botanical extract with antioxidant and soothing potential, though research is still early and benefits are not yet proven in large human studies.

Irritation

low

Source

natural

beautyskincaresoothing agent
Read ingredient review

Soothing Agent

Vitamin B12 Yeast Peptide Complex

Cyanocobalamin/Yeast Polypeptide

3.8

A gentle blend of vitamin B12 and yeast peptides that may help calm and condition the skin, though research is still emerging.

Irritation

low

Source

mixed

beautyskincaresoothing agent
Read ingredient review

Antioxidant

Vitamin C Polypeptide Complex

Ascorbic Acid/Orange/Citrus Limon/Citrus Aurantifolia Polypeptides

3.8

A citrus-infused vitamin C peptide blend that may offer antioxidant and brightening benefits, but research on the polypeptide portion is limited.

Irritation

moderate

Source

mixed

beautyskincareantioxidant
Read ingredient review

Emollient

Vitex Fruit Oil

Vitex Rotundifolia Fruit Oil

3.5

Vitex Fruit Oil is a gentle, antioxidant-rich botanical oil that may help soothe and condition the skin, but research on its cosmetic benefits is still limited.

Irritation

low

Source

natural

beautyskincareemollient
Read ingredient review

Antioxidant

Vitex Leaf Cell Extract

Vitex Agnus Castus Leaf Cell Extract

3.8

A gentle, plant-derived antioxidant that may help calm skin and fight free radical damage, but research is still early.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Fragrance

Vitex Leaf Oil

Vitex Rotundifolia Leaf Oil

3.5

Vitex Leaf Oil adds a natural botanical scent and potential antioxidant benefits, but its essential oil nature means it can be irritating for sensitive skin.

Irritation

moderate

Source

natural

beautyskincareessential oil
Read ingredient review

Antioxidant

Vitex Negundo Leaf Cell Extract

VITEX NEGUNDO LEAF CELL EXTRACT

3.8

A gentle, plant-based antioxidant extract that may help calm skin and fight free radicals, though research is still early.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Emollient

Vitex Negundo Oil

VITEX NEGUNDO FLOWER/LEAF/SEED OIL

3.5

A traditional Ayurvedic oil with potential soothing and antioxidant benefits, but limited modern research and a moderate risk of clogging pores for some skin types.

Irritation

low

Source

natural

beautyskincarebotanical oil
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Antioxidant

Vitex Seed Extract

Vitex Rotundifolia Seed Extract

3.8

A gentle botanical extract with antioxidant potential, but human skin research is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vitex Trifolia Fruit Extract

Vitex Trifolia Fruit Extract

3.8

A gentle botanical extract with antioxidant potential, but research on its topical benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vitis Flexuosa Stem Extract

Vitis Flexuosa Stem Extract

3.8

A gentle, antioxidant-rich plant extract that may help protect skin from environmental stress, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Voandzeia Subterranea Seed Extract

VOANDZEIA SUBTERRANEA SEED EXTRACT

3.8

A gentle, antioxidant-rich seed extract that may help protect skin from environmental stress, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Absorbent

Volcanic Ash

Volcanic Ash

3.8

Volcanic ash can help absorb excess oil and gently exfoliate, but its gritty texture may be too harsh for sensitive skin.

Irritation

moderate

Source

natural

beautyskincareexfoliant
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Exfoliant

Volcanic Rock

Volcanic Rock

3.8

Volcanic rock is a natural exfoliant that helps remove dead skin cells and absorb excess oil, but it can be too abrasive for sensitive skin if used too frequently.

Irritation

low

Source

natural

beautyskincareexfoliant
Read ingredient review

Absorbent

Volcanic Soil Extract

Volcanic Soil Extract

3.8

A mineral-rich natural ingredient that helps absorb excess oil and gently exfoliate, but research on its skincare benefits is still limited.

Irritation

low

Source

natural

beautyskincareabsorbent
Read ingredient review

Film Former

VP/DMAPA Acrylates Copolymer

VP/DMAPA Acrylates Copolymer

3.8

A synthetic polymer that helps products stay put, resist water, and feel smooth, with a strong safety record in cosmetics.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Film Former

VP/Eicosene Copolymer

VP/Eicosene Copolymer

3.8

A synthetic film-former that helps makeup and skincare resist water, sweat, and smudging without being heavy or sticky.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Film Former

VP/Hexadecene Copolymer

VP/Hexadecene Copolymer

3.8

A synthetic film-former that helps makeup and sunscreen stay put longer without feeling heavy or sticky.

Irritation

low

Source

synthetic

beautyskincarehaircare
Read ingredient review

Film Former

VP/VA Copolymer

VP/VA Copolymer

3.8

A safe, synthetic film-former that helps products stay put and feel smooth, but may feel stiff in high concentrations.

Irritation

low

Source

synthetic

beautyskincarehaircare
Read ingredient review

Antioxidant

Wallich's Dock Extract

Rumex Wallichii Extract

3.8

A gentle botanical extract with antioxidant and soothing potential, but research on its cosmetic benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Walnut Extract

JUGLANS REGIA (WALNUT) SEED EXTRACT

3.8

Walnut extract offers antioxidant benefits to protect skin from environmental stress, but it's not a standout ingredient and may not suit very sensitive skin.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Emollient

Walnut Seed Butter

Juglans Regia Seed Butter

4.0

Walnut Seed Butter is a nourishing plant-based emollient that helps soften and condition dry skin, but it may be moderately comedogenic for acne-prone individuals.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Walnut Seed Extract

Juglans Regia Seed Extract

3.8

A gentle antioxidant extract that helps protect skin from environmental stress, but research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Emollient

Walnut Seed Oil

Juglans Regia Seed Oil

3.8

Walnut Seed Oil is a nourishing emollient rich in omega fatty acids and antioxidants, but its moderate comedogenic rating means it may not suit all skin types, especially acne-prone skin.

Irritation

low

Source

natural

beautyskincareemollient
Read ingredient review