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 4,092
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

Antioxidant

Viburnum Dilatatum Extract

Viburnum Dilatatum Leaf/Stem Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Victoria Amazonica Extract

Victoria Amazonica Extract

3.8

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

Irritation

low

Source

natural

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Antioxidant

Walnut Seedcoat Extract

Juglans Regia Seedcoat Extract

3.8

A gentle plant-based antioxidant that may help protect skin from environmental stress, though research is still limited.

Irritation

low

Source

natural

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Antioxidant

Walnut Wood Extract

Juglans Regia Wood Extract

3.8

Walnut Wood Extract offers antioxidant and astringent benefits, but research on its specific effects in skincare is still limited.

Irritation

low

Source

natural

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Antioxidant

Walter's Dogwood Extract

Cornus Walteri Extract

3.8

A gentle botanical extract with antioxidant potential, but research is still early—think of it as a supportive ingredient rather than a star player.

Irritation

low

Source

natural

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Antioxidant

Walter's Dogwood Leaf Extract

CORNUS WALTERI LEAF EXTRACT

3.5

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.

Irritation

low

Source

natural

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Antioxidant

Waratah Ferment Filtrate

LACTOBACILLUS/TELOPEA SPECIOSISSIMA FLOWER/LEAF FERMENT FILTRATE

4.0

A gentle, antioxidant-rich fermented botanical that may help protect skin from environmental stress while supporting a healthy microbiome.

Irritation

low

Source

biotech

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Antioxidant

Waratah Flower & Leaf Extract

Telopea Speciosissima Flower/Leaf Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Wasabi & Brassica Sprout Extract

Wasabia Japonica Root/Brassica (Juncea/Oleracea Capitata/Oleracea Italica/Oleracea Botrytis/Oleracea Acephala) Sprout Extract

4.0

A plant-powered antioxidant blend that may help calm skin and defend against environmental stress, though human studies are limited.

Irritation

low

Source

natural

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Antioxidant

Wasabi Root Extract

Wasabia Japonica Root Extract

3.8

Wasabi root extract offers antioxidant and antimicrobial benefits, but research on its topical effects is still emerging.

Irritation

low

Source

natural

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Antioxidant

Wasabi Root Ferment Extract

LACTOBACILLUS/WASABIA JAPONICA ROOT FERMENT EXTRACT

3.8

A fermented wasabi root extract that may offer antioxidant and soothing benefits, though research is still emerging.

Irritation

low

Source

biotech

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Antimicrobial

Wasabi Root Powder

Wasabia Japonica Root Powder

3.8

Wasabi root powder brings antimicrobial and anti-inflammatory benefits to skincare, but its potency means it's best used in low concentrations to avoid irritation.

Irritation

moderate

Source

natural

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Antioxidant

Wasabia Japonica Extract

Hydroxypropyltrimonium Wasabia Japonica Extract

3.8

A gentle, antioxidant-rich wasabi extract that may help soothe skin and fight environmental stress, though research is still early.

Irritation

low

Source

natural

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Antioxidant

Wasabia Japonica Flower Extract

WASABIA JAPONICA FLOWER EXTRACT

4.0

A gentle, antioxidant-rich flower extract that may help calm skin and defend against environmental stress, though research is still early.

Irritation

low

Source

natural

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Antioxidant

Water Avens Extract

GEUM RIVALE EXTRACT

3.8

A gentle botanical extract with antioxidant and soothing potential, but research is limited and benefits are not yet well-established.

Irritation

low

Source

natural

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Antioxidant

Water Chestnut Extract

TRAPA BICORNIS NUT EXTRACT

3.8

A gentle plant extract that may help calm skin and provide antioxidant support, though research is still limited.

Irritation

low

Source

natural

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Antioxidant

Water Chestnut Fruit Extract

TRAPA JAPONICA FRUIT EXTRACT

3.8

A gentle, antioxidant-rich plant extract that may help calm and protect skin, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Water Chestnut Peel Extract

Trapa Natans Peel Extract

3.8

A gentle, plant-based antioxidant that may help protect skin from environmental stress, though research is still early.

Irritation

low

Source

natural

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Antioxidant

Water Germander Extract

TEUCRIUM SCORODONIA EXTRACT

3.5

A gentle herbal extract with antioxidant potential, but research is limited and it's not a standout ingredient.

Irritation

low

Source

natural

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Antioxidant

Water Lily Root Extract

NYMPHAEA ODORATA ROOT EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Watermelon Seed Extract

Citrullus Lanatus Seed Extract

4.0

A gentle, antioxidant-rich extract that helps protect skin from environmental stress while providing lightweight hydration.

Irritation

low

Source

natural

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Antioxidant

Wayfaring Tree Bud Extract

VIBURNUM LANTANA BUD EXTRACT

3.5

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human studies.

Irritation

low

Source

natural

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Antioxidant

Weld Extract

Reseda Luteola Flower/Leaf/Stem Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Welsh Onion Bulb Extract

ALLIUM FISTULOSUM BULB EXTRACT

3.8

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.

Irritation

low

Source

natural

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Antioxidant

Welsh Onion Root Extract

ALLIUM FISTULOSUM ROOT EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Wenyujin Turmeric Root Extract

Curcuma Wenyujin/Curcuma Kwangsiensis Rhizome Extract

4.0

A gentle, antioxidant-rich botanical extract from turmeric relatives that may help calm skin and fight free radicals.

Irritation

low

Source

natural

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Antioxidant

Wheat Bran Extract

Triticum Vulgare (Wheat) Bran Extract

4.0

A gentle, antioxidant-rich extract that helps protect skin from environmental stress while soothing irritation.

Irritation

low

Source

natural

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Antioxidant

Wheat Germ Extract

TRITICUM VULGARE (WHEAT) GERM EXTRACT

4.0

Wheat Germ Extract is a gentle, antioxidant-rich ingredient that helps nourish and protect the skin, but those with gluten sensitivity should check product labels.

Irritation

low

Source

natural

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Antioxidant

Wheat Leaf Extract

Triticum Aestivum Leaf Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Wheat Sprout Extract

TRITICUM VULGARE SPROUT EXTRACT

4.0

Wheat sprout extract is a gentle antioxidant that may help calm skin and protect against environmental stress, but it is not a standout ingredient for major skin concerns.

Irritation

low

Source

natural

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Antioxidant

Wheat-Rye Seed Extract

Triticum-Secale Cereale Seed Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

White Birch Bark & Leaf Extract

Betula Alba Bark/Leaf Extract

4.0

A gentle botanical extract that helps calm skin and fight environmental stress, but its benefits are modest compared to more potent antioxidants.

Irritation

low

Source

natural

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Antioxidant

White Birch Bark Extract

Betula Alba Bark Extract

4.0

A gentle, antioxidant-rich botanical extract that helps calm and protect the skin, but its benefits are best supported by traditional use and preliminary studies rather than large-scale clinical trials.

Irritation

low

Source

natural

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Antioxidant

White Birch Bud Extract

Betula Alba Bud Extract

4.0

A gentle, plant-based antioxidant that helps protect skin from environmental stress while providing mild soothing benefits.

Irritation

low

Source

natural

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Antioxidant

White Birch Leaf Extract

Betula Alba Leaf Extract

4.0

A gentle, antioxidant-rich plant extract that helps protect skin from environmental stress while providing mild soothing benefits.

Irritation

low

Source

natural

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Antioxidant

White Champaca Flower Extract

Michelia Alba Flower Extract

3.8

A gentle, fragrant flower extract that may offer antioxidant benefits, but research is limited and its main role in many products is scent.

Irritation

low

Source

natural

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Antioxidant

White Clover Sprout Extract

Trifolium Repens Sprout Extract

4.0

A gentle, plant-derived antioxidant that may help brighten skin and defend against pollution, though human studies are still limited.

Irritation

low

Source

natural

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Antioxidant

White Forsythia Extract

Abeliophyllum Distichum Extract

3.8

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.

Irritation

low

Source

natural

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Antioxidant

White Mulberry Callus Extract

Morus Alba Callus Extract

4.0

A gentle, plant-derived antioxidant that may help brighten skin and protect against environmental damage, with low irritation risk.

Irritation

low

Source

natural

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Antioxidant

White Peony Flower Extract

Paeonia Albiflora Flower Extract

4.0

A gentle, antioxidant-rich flower extract that helps calm skin and fight environmental stress, but it's not a standalone solution for major skin concerns.

Irritation

low

Source

natural

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Antioxidant

White Petal Camellia Leaf Extract

Camellia Japonica Albipetala Leaf Extract

4.0

A gentle, antioxidant-rich botanical extract that helps protect skin from environmental stress and may support a calm, even-looking complexion.

Irritation

low

Source

natural

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Antioxidant

White Rose Callus Extract

Rosa Alba Callus Extract

4.0

A gentle, plant-based antioxidant that may help protect skin from environmental stress and support a more even tone, though human studies are limited.

Irritation

low

Source

natural

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Antioxidant

White Rose Flower Extract

Rosa Alba Flower Extract

4.0

White rose flower extract is a mild, antioxidant-rich botanical that can help soothe skin and protect against environmental stress, though research on its specific benefits is still emerging.

Irritation

low

Source

natural

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