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 20,769
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

Absorbent

Wheat Kernel Flour

Triticum Vulgare Kernel Flour

3.8

A gentle, natural absorbent and mild exfoliant that helps control oil and texture in powders and masks, but may be drying for very dry skin.

Irritation

low

Source

natural

beautyskincareabsorbent
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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

beautyskincareantioxidant
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Humectant

Wheat Peptide Ferment

STREPTOCOCCUS ZOOEPIDEMICUS/WHEAT PEPTIDE FERMENT

3.8

A gentle, biotech-derived humectant that helps hydrate and soothe skin, though research is still emerging.

Irritation

low

Source

biotech

beautyskincarehumectant
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Hair Conditioning Agent

Wheat Protein Conditioner

PALM/STEAR/BEHENAMIDOETHYL DIETHONIUM HYDROLYZED WHEAT PROTEIN

4.0

A gentle, protein-based conditioner that helps detangle hair and add softness without heavy buildup.

Irritation

low

Source

semi-synthetic

beautyskincarehaircareconditioning agent
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Hair Conditioner

Wheat Protein Conditioning Complex

Wheat Germamidopropyldimonium Hydroxypropyl Hydrolyzed Wheat Protein

4.0

A gentle, wheat-derived conditioning ingredient that helps strengthen hair and improve moisture retention without heavy buildup.

Irritation

low

Source

natural

beautyskincarehaircare
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Film Former

Wheat Protein Copolymer

Ethyltrimonium Chloride Methacrylate/Hydrolyzed Wheat Protein Copolymer

4.0

A gentle conditioning polymer that forms a protective film on hair and skin, improving softness and manageability without heavy buildup.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
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Hair conditioning agent

Wheat Protein Silicone Complex

LAURDIMONIUM HYDROXYPROPYL HYDROLYZED WHEAT PROTEIN/SILOXYSILICATE

4.0

A gentle conditioning agent that helps detangle and add shine without heavy buildup.

Irritation

low

Source

semi-synthetic

beautyhaircareconditioning agent
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Soothing Agent

Wheat Seed Extract

TRITICUM VULGARE SEED EXTRACT

3.8

Wheat Seed Extract is a gentle, natural ingredient that helps calm and hydrate the skin, making it a good choice for sensitive or irritated skin types.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing Agent

Wheat Seed Ferment Extract

Saccharomyces/Triticum Aestivum Seed Ferment Extract

4.0

A gentle, fermented wheat seed extract that helps soothe and hydrate the skin, ideal for sensitive or reactive skin types.

Irritation

low

Source

biotech

beautyskincaresoothing agent
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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

beautyskincareantioxidant
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Absorbent

Wheat Starch

TRITICUM VULGARE STARCH

4.0

Wheat starch is a gentle, natural oil-absorber that gives makeup a smooth, matte finish without clogging pores.

Irritation

low

Source

natural

beautyskincaretexturizer
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Soothing agent

Wheat Straw Water

TRITICUM VULGARE STRAW WATER

3.8

Wheat Straw Water is a gentle, plant-derived water that may help soothe and hydrate the skin, but research is limited.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Surfactant

Wheat Sulfonate Surfactant

SODIUM C8-16 ISOALKYLSUCCINYL WHEAT SULFONATE

4.0

A gentle, wheat-derived surfactant that cleanses without stripping the skin, ideal for sensitive or dry skin types.

Irritation

low

Source

semi-synthetic

beautyskincarecleanser
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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

beautyskincareantioxidant
Read ingredient review

Humectant

Whey

Whey

3.8

Whey is a gentle moisturizing ingredient from milk that helps hydrate and condition skin, but it may not suit those with dairy allergies or sensitivities.

Irritation

low

Source

natural

beautyskincarehumectant
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Humectant

Whey Protein

Whey Protein

3.5

Whey protein can help hydrate and temporarily firm skin, but its benefits are mild and it may not suit those with dairy allergies.

Irritation

low

Source

natural

beautyskincarehumectant
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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

beautyskincareantioxidant
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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

beautyskincareantioxidant
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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

beautyskincareantioxidant
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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

beautyskincareantioxidant
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Soothing Agent

White Birch Oil

Betula Alba Oil

3.8

White Birch Oil offers soothing and clarifying benefits but may cause irritation in sensitive skin due to its essential oil nature.

Irritation

moderate

Source

natural

beautyskincaresoothing agent
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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

beautyskincareantioxidant
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Fragrance

White Champaca Flower Oil

MICHELIA ALBA FLOWER OIL

4.0

A fragrant flower oil that adds a delicate floral scent and mild skin-soothing benefits, but may irritate sensitive skin due to its aromatic compounds.

Irritation

moderate

Source

natural

beautyskincarefragrance
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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

beautyskincareantioxidant
Read ingredient review

Soothing agent

White Dead Nettle Extract

LAMIUM ALBUM FLOWER/LEAF/STEM EXTRACT

3.8

A gentle botanical extract with soothing and antioxidant potential, best for sensitive or irritated skin, though research is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

White Dead Nettle Flower Extract

Lamium Album Flower Extract

3.8

A gentle botanical extract that may help calm irritated skin and provide antioxidant protection, but clinical evidence is limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
Read ingredient review

Soothing Agent

White Dead Nettle Flower Water

LAMIUM ALBUM FLOWER WATER

3.8

A mild, floral water that may help calm sensitive skin and provide light antioxidant support, but research is limited.

Irritation

low

Source

natural

beautyskincaresoothing
Read ingredient review

Soothing Agent

White Dead Nettle Leaf Extract

LAMIUM ALBUM LEAF EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Fragrance

White Fir Oil

Abies Concolor Branch/Leaf/Wood Oil

3.8

White fir oil adds a fresh, woodsy scent to products, but its skin benefits are not well-studied and it may cause irritation in sensitive individuals.

Irritation

moderate

Source

natural

beautyskincarefragrance
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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

beautyskincareantioxidant
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Soothing Agent

White Ginger Lily Powder

HEDYCHIUM CORONARIUM POWDER

3.8

A gentle botanical powder that may help calm skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincarebotanical
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Emollient

White Lupin Seed Oil

Lupinus Albus Seed Oil

4.0

A nourishing, non-greasy oil that hydrates and helps maintain a healthy skin barrier with a low risk of irritation.

Irritation

low

Source

natural

beautyskincareemollient
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Emollient

White Lupin Unsaponifiables

LUPINUS ALBUS OIL UNSAPONIFIABLES

4.0

A gentle, plant-derived lipid that helps calm irritation and strengthen the skin barrier without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Soothing Agent

White Mugwort Flower Extract

ARTEMISIA HERBA-ALBA FLOWER EXTRACT

4.0

A gentle botanical extract that may help calm redness and protect skin from environmental stress, though human studies are limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

White Mugwort Herb Oil

Artemisia Herba-Alba Herb Oil

3.8

White Mugwort Herb Oil offers soothing and antimicrobial benefits but may irritate sensitive skin due to its essential oil nature.

Irritation

moderate

Source

natural

beautyskincaresoothing agent
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Fragrance

White Mugwort Leaf Oil

Artemisia Herba-Alba Leaf Oil

3.8

A fragrant botanical oil with potential soothing and antimicrobial benefits, but limited research and a risk of skin irritation for sensitive individuals.

Irritation

moderate

Source

natural

beautyskincareessential oil
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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

beautyskincareantioxidant
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Soothing agent

White Mulberry Leaf Powder

Morus Alba Leaf Powder

4.0

A gentle botanical powder that may help calm skin and provide antioxidant protection, but its benefits are not as well-studied as mulberry fruit or root extracts.

Irritation

low

Source

natural

beautyskincarebotanical
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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

beautyskincareantioxidant
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Antioxidant

White Peony Root Extract

Paeonia Albiflora Root Extract

4.1

A gentle, antioxidant-rich botanical extract that helps calm skin and fight environmental stress without irritation.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

White Peony Root Powder

Paeonia Albiflora Root Powder

4.0

A gentle, antioxidant-rich botanical that helps calm irritation and protect skin from environmental stress.

Irritation

low

Source

natural

beautyskincarebotanical
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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

beautyskincareantioxidant
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Soothing agent

White Poplar Bark Extract

Populus Alba Bark 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

beautyskincarebotanical extract
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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

beautyskincareantioxidant
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Soothing Agent

White Rose Floral Water

ROSA ALBA FLOWER WATER

4.0

A gentle, lightly fragrant floral water that can soothe and hydrate skin, but its benefits are mostly from water content and mild aromatic compounds.

Irritation

low

Source

natural

beautyskincaresoothing
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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

beautyskincareantioxidant
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Antioxidant

White Rose Leaf Cell Extract

Rosa Alba Leaf Cell Extract

4.0

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

Irritation

low

Source

biotech

beautyskincareantioxidant
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Soothing Agent

White Sweet Clover Extract

MELILOTUS ALBUS FLOWER/LEAF/STEM EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

White Water Lily Extract

NYMPHAEA ALBA FLOWER EXTRACT

4.0

A mild botanical extract that may help calm redness and provide antioxidant protection, but research is still early.

Irritation

low

Source

natural

beautyskincarebotanical
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Antioxidant

White Water Lily Leaf Cell Extract

NYMPHAEA ALBA LEAF CELL EXTRACT

4.0

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

Irritation

low

Source

biotech

beautyskincareantioxidant
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Antioxidant

White Water Lily Root Extract

Nymphaea Alba Root Extract

4.0

A gentle, antioxidant-rich botanical extract that may help calm skin and protect against environmental stress, though human studies are limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

White Willow Flower Extract

Salix Alba Flower Extract

3.8

A mild, antioxidant-rich flower extract that may help calm skin and protect against environmental stress, but research is limited compared to its bark counterpart.

Irritation

low

Source

natural

beautyskincarebotanical
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Antioxidant

Whitlow Grass Extract

Draba nemorosa Extract

3.5

A gentle, antioxidant-rich plant extract with limited but promising research for soothing and protecting the skin.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Wichuraiana Rose Stem Extract

ROSA WICHURAIANA STEM EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
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