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 16 of 676
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

Soothing Agent

Willowherb Extract

Epilobium Parviflorum Leaf/Stem Extract

4.0

A gentle botanical extract that helps calm redness and provides antioxidant protection, ideal for sensitive or acne-prone skin.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Wood Sorrel Extract

Oxalis Acetosella Extract

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Wormwood Extract

Artemisia Absinthium Herb Extract

3.8

A gentle botanical extract with antioxidant and soothing potential, but research in skincare is still limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Yarrow Extract

Achillea Millefolium Flower/Leaf/Stem Extract

4.0

Yarrow extract is a gentle botanical that may help calm redness and provide antioxidant protection, but its effects are mild and best for sensitive or normal skin types.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Yellow Dock Extract

Rumex Crispus Flower/Leaf/Stem Extract

3.5

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Yellow Ginger Root Extract

Hedychium Flavescens Root Extract

3.8

A gentle plant extract with potential soothing and antioxidant benefits, but research is limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Yellow Iris Leaf Extract

Iris Pseudacorus Leaf Extract

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Yellow Iris Root Extract

Iris Pseudacorus Root 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

Yellow Water Lily Leaf Extract

NUPHAR LUTEUM LEAF EXTRACT

3.8

A gentle botanical extract with antioxidant and soothing potential, but human skincare research is still limited.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Skin conditioning agent

Yohimbe Bark Extract

CORYNANTHE YOHIMBE BARK EXTRACT

2.5

Yohimbe bark extract is a traditional botanical with limited skincare research; it may offer temporary firming effects but carries a moderate risk of irritation and lacks robust safety data for topical use.

Irritation

moderate

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Yomogi Extract

Artemisia Princeps Extract

4.0

Yomogi extract is a gentle, antioxidant-rich botanical that helps calm irritated skin and supports a healthy-looking complexion.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Zanthoxylum Bark Extract

ZANTHOXYLUM ZANTHOXYLOIDES BARK EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Zanthoxylum Piperitum Peel Extract

ZANTHOXYLUM PIPERITUM PEEL EXTRACT

4.0

A gentle botanical extract that helps calm skin and fight environmental stress, but research is still limited compared to more studied antioxidants.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Zerumbet Ginger Juice

Zingiber Zerumbet Juice

3.8

A gentle botanical juice with antioxidant and soothing potential, but research is limited compared to more common ginger extracts.

Irritation

low

Source

natural

beautyskincarebotanical extract
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