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

Gephyrocapsa Oceanica Extract

Gephyrocapsa Oceanica Extract

3.8

A gentle microalgae extract that may help protect skin from environmental stress, but research is still early.

Irritation

low

Source

natural

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Antioxidant

Geraea Canescens Flower Extract

Geraea Canescens Flower Extract

3.5

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

Irritation

low

Source

natural

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Antioxidant

Geranium Cantabrigiense Extract

GERANIUM CANTABRIGIENSE HYBRID FLOWER/LEAF EXTRACT

3.5

A gentle botanical extract with antioxidant potential, but research is limited compared to more common geranium extracts.

Irritation

low

Source

natural

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Antioxidant

Geranium Thunbergii Extract

Geranium Thunbergii Flower/Leaf/Stem Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Geranylgeraniol

Geranylgeraniol

3.8

Geranylgeraniol is a plant-derived antioxidant that may help calm skin and support collagen, but research in topical cosmetics is still early.

Irritation

low

Source

natural

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Antioxidant

Gerberi Sea Lavender Extract

LIMONIUM GERBERI EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Germanium Dioxide

GERMANIUM DIOXIDE

2.5

Germanium dioxide is an obscure mineral ingredient with limited evidence for skin benefits and notable safety concerns from oral exposure, making it a questionable choice in modern skincare.

Irritation

moderate

Source

natural

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Antioxidant

Germinated Ginseng Seed Extract

GERMINATED PANAX GINSENG SEED EXTRACT

4.0

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

Irritation

low

Source

natural

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Antioxidant

Germinated Soybean Extract

GERMINATED GLYCINE MAX SEED EXTRACT

4.0

A gentle, plant-derived antioxidant that may help brighten and protect skin, but more human studies are needed to confirm its effects.

Irritation

low

Source

natural

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Antioxidant

Giant Dogwood Extract

Cornus Controversa Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Giant Dogwood Leaf Extract

CORNUS CONTROVERSA LEAF 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

Giant Dogwood Wood Extract

CORNUS CONTROVERSA WOOD EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Giant Granadilla Extract

Passiflora Quadrangularis Hull Extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Giant Granadilla Flower Extract

PASSIFLORA QUADRANGULARIS FLOWER EXTRACT

4.0

A gentle, antioxidant-rich flower extract that helps soothe and protect skin from environmental stress, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Giant Granadilla Fruit Extract

Passiflora quadrangularis fruit extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Giant Ragweed Leaf Extract

Ambrosia Trifida Leaf Extract

3.5

A plant extract with potential antioxidant benefits, but limited research and a notable risk of allergic reaction for those sensitive to ragweed.

Irritation

moderate

Source

natural

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Antioxidant

Giant Reed Leaf Ferment Filtrate

Lactobacillus/Arundinaria Gigantea Leaf Ferment Filtrate

3.8

A gentle, fermented botanical extract with antioxidant potential, but human studies are limited.

Irritation

low

Source

biotech

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Antioxidant

Giant Sequoia Bud Extract

SEQUOIADENDRON GIGANTEUM BUD EXTRACT

3.8

A gentle, antioxidant-rich extract from giant sequoia buds that may help calm skin and fight free radical damage, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Giant Sequoia Callus Extract

SEQUOIADENDRON GIGANTEUM CALLUS CULTURE EXTRACT

3.8

A plant cell culture extract that may help protect skin from environmental stress, but research is still early.

Irritation

low

Source

biotech

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Antioxidant

Giant Sequoia Stem Extract

SEQUOIADENDRON GIGANTEUM STEM 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

Giant Water Lily Flower Extract

NYMPHAEA GIGANTEA FLOWER EXTRACT

4.0

A gentle, antioxidant-rich extract from the giant water lily that helps calm and protect the skin, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Gileadensis Branch/Fruit/Leaf Extract

COMMIPHORA GILEADENSIS BRANCH/FRUIT/LEAF EXTRACT

3.8

A gentle, plant-based extract with antioxidant and soothing potential, but research is limited compared to more studied botanicals.

Irritation

low

Source

natural

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Antioxidant

Gileadensis Flower Extract

COMMIPHORA GILEADENSIS FLOWER EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Ginger Leaf Cell Extract

Zingiber Officinale Leaf Cell Extract

3.8

A gentle, lab-grown ginger leaf extract that may help calm skin and fight free radical damage, but research is still early.

Irritation

low

Source

biotech

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Antioxidant

Ginger Root Juice

ZINGIBER OFFICINALE ROOT JUICE

4.0

Ginger root juice is a gentle, antioxidant-rich ingredient that can help calm skin and protect against environmental stress, but it is not a cure-all and may cause mild irritation in very sensitive individuals.

Irritation

low

Source

natural

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Antioxidant

Ginger Root Oil

Zingiber Officinale Root Oil

4.0

Ginger Root Oil offers antioxidant and soothing benefits but can be irritating for sensitive skin when used at high concentrations.

Irritation

moderate

Source

natural

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Antioxidant

Ginger Root Powder

Zingiber Officinale Root Powder

4.0

Ginger root powder is a gentle, antioxidant-rich ingredient that can help soothe skin and provide a mild exfoliating texture in masks and scrubs.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba & Flaxseed Extract

Ginkgo Biloba Leaf/Linum Usitatissimum Seed Extract

3.8

A gentle botanical duo that may help protect skin from environmental stress and calm minor irritation, though research is limited for topical use.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Callus Culture Extract

Ginkgo Biloba Callus Culture Extract

4.0

A gentle, lab-grown antioxidant extract that may help protect skin from environmental stress without the variability of whole-plant extracts.

Irritation

low

Source

biotech

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Antioxidant

Ginkgo Biloba Leaf Extract

Ginkgo Biloba Leaf Extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Leaf Powder

Ginkgo Biloba Leaf Powder

4.0

Ginkgo biloba leaf powder is a gentle antioxidant-rich ingredient that may help calm skin and defend against environmental stress.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Leaf Water

Ginkgo Biloba Leaf Water

4.0

Ginkgo Biloba Leaf Water is a mild, antioxidant-rich hydrator that may help calm skin and protect against environmental stress, but it is not a cure-all.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Meristem Cell Extract

Ginkgo Biloba Meristem Cell Extract

4.0

A gentle, antioxidant-rich plant extract that may help protect skin from environmental stress, though human studies are limited.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Nut Extract

GINKGO BILOBA NUT EXTRACT

3.8

Ginkgo biloba nut extract offers antioxidant benefits and may help calm skin, but research on its topical effects is still emerging.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Biloba Root Extract

Ginkgo Biloba Root Extract

3.8

Ginkgo biloba root extract is a gentle antioxidant that may help calm skin and protect against environmental stress, though research on topical use is still emerging.

Irritation

low

Source

natural

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Antioxidant

Ginkgo Leaf Terpenoids

Ginkgo Biloba Leaf Terpenoids

4.0

A gentle, plant-based antioxidant that may help calm redness and protect skin from environmental stress, though more human studies are needed.

Irritation

low

Source

natural

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Antioxidant

Ginseng & Berry Ferment Complex

SACCHAROMYCES/PANAX GINSENG ROOT/RHODODENDRON CHRYSANTHEMUM LEAF/LYCIUM CHINENSIS FRUIT/ANTLER VELVET FERMENT FILTRATE

4.0

A fermented botanical blend that may help soothe and protect skin, but research is limited to traditional use and lab studies.

Irritation

low

Source

biotech

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Antioxidant

Ginseng & Liriope Root Extract

Panax Ginseng Root Extract / Liriope Muscari Extract

4.0

A gentle botanical blend that offers antioxidant support and soothing benefits, ideal for calming stressed or aging skin.

Irritation

low

Source

natural

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Antioxidant

Ginseng & Royal Jelly Extract

Panax Ginseng Root/Royal Jelly Extract

4.0

A soothing, antioxidant-rich blend that may help calm skin and support a healthy-looking complexion, but research on the combined extract is limited.

Irritation

low

Source

natural

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Antioxidant

Ginseng Berry & King Oyster Ferment

PLEUROTUS FERULAE/PANAX GINSENG BERRY EXTRACT FERMENT FILTRATE

4.0

A fermented blend of ginseng berry and king oyster mushroom that may help calm skin and fight oxidative stress, though research is still early.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Berry Ferment Filtrate

Lactobacillus/Panax Ginseng Berry Extract Ferment Filtrate

4.0

A gentle, fermented antioxidant that may help calm and protect skin, but research is still early.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Berry Leaf Root Ferment

LACTOBACILLUS/PANAX GINSENG BERRY/LEAF/ROOT EXTRACT FERMENT

4.0

A fermented ginseng complex that may help soothe and protect skin, but research on the specific ferment is limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Callus Culture Extract

Panax Ginseng Callus Culture Extract

4.0

A gentle, lab-grown ginseng extract that may help protect skin from environmental stress and support a healthy-looking complexion.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Callus Extract

Panax Ginseng Callus Extract

4.0

A gentle, lab-grown ginseng extract that may help protect skin from environmental stress, but human research is still limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Cell Culture Extract

Panax Ginseng Cell Culture Extract

4.3

A lab-grown ginseng extract that delivers antioxidant and soothing benefits without harvesting wild plants.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Extract

Panax Ginseng Leaf/Root/Stem Extract

4.0

A gentle botanical extract that helps protect skin from environmental stress and may support a calmer, more even complexion.

Irritation

low

Source

natural

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Antioxidant

Ginseng Ferment Extract

LACTOBACILLUS/SACCHAROMYCES/PANAX GINSENG ROOT FERMENT EXTRACT

4.0

A fermented ginseng extract that may help calm skin and provide antioxidant support, though human studies are limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Ferment Filtrate

Sphingomonas/Panax Ginseng Root Ferment Filtrate

4.0

A fermented ginseng ingredient that may help calm and protect skin, but research is still emerging.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Flower Ferment Extract

Saccharomyces/Panax Ginseng Flower Ferment Extract

4.0

A fermented ginseng flower extract that may offer antioxidant and soothing properties, but human research is limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Flower Leaf Stem Extract

Panax Ginseng Flower/Leaf/Stem Extract

4.0

A gentle, antioxidant-rich extract from ginseng leaves and stems that helps calm and protect skin without the higher cost of root extracts.

Irritation

low

Source

natural

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Antioxidant

Ginseng Fruit Ferment

Botrytis Cinerea/Ginseng Fruit Ferment Filtrate

4.0

A gentle, antioxidant-rich fermented ingredient that may help calm skin and protect against environmental stress.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Leaf & Stem Powder

Panax Ginseng Leaf/Stem Powder

4.0

A gentle, antioxidant-rich botanical powder from ginseng leaves and stems that helps protect skin from environmental stress and supports a calm complexion.

Irritation

low

Source

natural

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Antioxidant

Ginseng Leaf Cell Extract

Panax Ginseng Leaf Cell Extract

4.0

A gentle, plant-based antioxidant that helps protect skin from environmental stress and may calm irritation.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Leaf Ferment Filtrate

METSCHNIKOWIA/PANAX GINSENG LEAF/STEM FERMENT FILTRATE

4.0

A fermented ginseng extract that may help protect skin from environmental stress and improve overall skin tone, though human studies are limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Leaf/Stem Extract

Panax Ginseng Leaf/Stem Extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Ginseng Meristem Cell Culture

Panax Ginseng Meristem Cell Culture

4.0

A gentle, biotech-derived antioxidant from ginseng stem cells that may help protect skin from environmental stress, though human studies are limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Meristem Cell Extract

Panax Ginseng Meristem Cell Extract

4.0

A gentle, antioxidant-rich extract from ginseng stem cells that may help soothe and protect skin from environmental stress.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Mushroom Ferment Filtrate

Schizophyllum Commune/Panax Ginseng Root Ferment Filtrate

4.0

A fermented blend of mushroom and ginseng that may help calm and protect skin, though human studies are limited.

Irritation

low

Source

biotech

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