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 9 of 1,749
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

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

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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

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Fragrance

Winter Grass Oil

Cymbopogon Winterianus Herb Oil

3.8

A fragrant essential oil with some antimicrobial benefits, but can be irritating for sensitive skin.

Irritation

moderate

Source

natural

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Fragrance

Wintergreen Leaf Oil

Gaultheria procumbens leaf oil

3.5

Wintergreen leaf oil adds a minty scent and may feel cooling, but its high methyl salicylate content can irritate sensitive skin.

Irritation

moderate

Source

natural

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Fragrance

Ylang Ylang Oil

Cananga Odorata Flower Oil

3.8

Ylang Ylang Oil adds a floral scent to products and may help calm the skin, but it can be irritating for sensitive skin and has a moderate chance of clogging pores.

Irritation

moderate

Source

natural

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Fragrance

Ylang-Ylang Flower Extract

Cananga Odorata Flower Extract

3.8

Ylang-ylang flower extract adds a sweet floral scent and may offer mild soothing benefits, but it can be irritating or sensitizing for some skin types.

Irritation

moderate

Source

natural

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Fragrance

Ylang-Ylang Flower Water

Cananga Odorata Flower Water

3.8

A gentle, aromatic floral water that adds a pleasant scent and mild soothing feel to skincare products, but offers limited active benefits compared to pure essential oils.

Irritation

low

Source

natural

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Fragrance

Yuzu Flower Oil

Citrus Junos Flower Oil

3.8

Yuzu Flower Oil adds a fresh, citrusy scent to products, but its skin benefits are not well-studied and it may cause irritation for sensitive skin.

Irritation

moderate

Source

natural

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Fragrance

Yuzu Fruit Oil

Citrus Junos Fruit Oil

4.0

Yuzu fruit oil adds a fresh citrus scent and antioxidant benefits, but its limonene content can be sensitizing for some skin types.

Irritation

moderate

Source

natural

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