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

Ginseng Reishi Ferment Filtrate

Ganoderma Lucidum Mycelium/Panax Ginseng Root Ferment Extract Filtrate

4.0

A gentle, antioxidant-rich ferment that may help calm and protect skin, but research is mostly ingredient-level rather than on the finished blend.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Root & Velvet Extract

Panax Ginseng Root/Velvet Extract

4.0

A gentle botanical blend that may help calm skin and fight free radicals, but research on the velvet component is limited.

Irritation

low

Source

natural

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Antioxidant

Ginseng Root Culture Extract

Panax Ginseng Root Culture Conditioned Media

4.0

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

Irritation

low

Source

biotech

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Antioxidant

Ginseng Root Culture Oil

Panax Ginseng Adventitious Root Culture Oil

4.0

A sustainable, lab-grown ginseng oil that provides antioxidant protection and soothing benefits without the environmental impact of wild harvesting.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Root Extract

Panax Ginseng Root Extract

4.0

A gentle botanical 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

Ginseng Root Ferment Filtrate

Pichia/Panax Ginseng Root Ferment Filtrate

4.0

A fermented ginseng ingredient that may help soothe and protect skin, but more human studies are needed to confirm its benefits.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Root Protoplasts

Panax Ginseng Root Protoplasts

4.0

A gentle, antioxidant-rich extract from ginseng cells that may help calm and protect skin.

Irritation

low

Source

natural

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Antioxidant

Ginseng Root Water

Panax Ginseng Root Water

4.0

A gentle, antioxidant-rich water from ginseng that helps soothe and hydrate skin without irritation.

Irritation

low

Source

natural

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Antioxidant

Ginseng Seed Extract

Panax Ginseng Seed Extract

4.0

A gentle, antioxidant-rich extract that may help protect skin from environmental damage and support a more resilient complexion.

Irritation

low

Source

natural

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Antioxidant

Ginseng Seed Oil Ferment Filtrate

KLUYVEROMYCES/LACTOBACILLUS/PANAX GINSENG SEED OIL FERMENT FILTRATE

4.0

A fermented ginseng seed oil ingredient that may offer antioxidant benefits and gentle skin conditioning, though research is still emerging.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Seed Powder

Panax Ginseng Seed Powder

3.8

A gentle, natural powder from ginseng seeds that offers antioxidant benefits and mild physical exfoliation.

Irritation

low

Source

natural

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Antioxidant

Ginseng Sprout Extract

Panax Ginseng Sprout Extract

4.0

A gentle, antioxidant-rich extract from young ginseng sprouts that may help protect skin from environmental stress and support a calm, even-looking complexion.

Irritation

low

Source

natural

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Antioxidant

Ginseng Sprout Ferment Extract

Saccharomyces/Panax Ginseng Sprout Ferment Extract Filtrate

4.0

A gentle, fermented ginseng extract that may help calm skin and fight environmental stress, though human studies are still limited.

Irritation

low

Source

biotech

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Antioxidant

Ginseng Sprout Ferment Filtrate

LACTOBACILLUS/LEAF/PANAX GINSENG SPROUT FERMENT EXTRACT FILTRATE

4.0

A gentle, fermented ginseng ingredient that may help calm and protect skin, though research is still early.

Irritation

low

Source

biotech

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Skin Brightener

Glabridin

Glabridin

4.0

Glabridin is a gentle, plant-derived brightener that helps even skin tone and calm redness without the harshness of stronger alternatives.

Irritation

low

Source

natural

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Humectant

Glacial Microalgae Extract

Asterionellopsis Glacialis Extract

4.0

A gentle, marine-derived extract that helps hydrate and protect skin from environmental stress, though research is still early.

Irritation

low

Source

natural

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Antioxidant

Gleditsia Australis Extract

Gleditsia Australis Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Gleditsia Australis Fruit Extract

Gleditsia Australis Fruit Extract

3.8

A gentle plant extract with antioxidant potential, but research is still limited compared to more established ingredients.

Irritation

low

Source

natural

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Antioxidant

Gleditsia Fera Pod Extract

Gleditsia Fera Pod Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Gleditsia Japonica Fruit Extract

Gleditsia Japonica Fruit Extract

3.8

A gentle plant 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

Globe Amaranth Flower Extract

GOMPHRENA GLOBOSA FLOWER EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Glossy Privet Seed Extract

Ligustrum Lucidum Seed Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Glucosamine Thioctate

Glucosamine Thioctate

3.8

A dual-action molecule that combines glucosamine and alpha-lipoic acid to support skin firmness and antioxidant defense, though research is still emerging.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glucosyl Pentagallate

Glucosyl Pentagallate

4.0

A gentle antioxidant that may help protect skin from pollution and UV damage while supporting a brighter, more even tone.

Irritation

low

Source

natural

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Antioxidant

Glucosylrutin

Glucosylrutin

4.3

A gentle, plant-derived antioxidant that helps shield skin from UV and pollution damage without irritation.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glutathione

Glutathione

3.8

Glutathione is a natural antioxidant that may help brighten skin and fight free radical damage, but its effectiveness in topical skincare is still debated.

Irritation

low

Source

natural

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Antioxidant

Glutathione Palmitamide

Glutathione Palmitamide

4.0

A stabilized form of glutathione that may help brighten skin and fight oxidative stress, but human evidence is still limited.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glyceryl Ascorbate

GLYCERYL ASCORBATE

4.3

A gentle, stable vitamin C derivative that brightens skin and fights free radicals without the irritation of pure ascorbic acid.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glyceryl Chromonyl Ether

Glyceryl Chromonyl Ether

3.8

A synthetic antioxidant that may help shield skin from pollution and UV damage, but human studies are still limited.

Irritation

low

Source

synthetic

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Antioxidant

Glyceryl Diferulate

Glyceryl Diferulate

4.3

A gentle, fat-soluble antioxidant that helps shield skin from pollution and UV damage while supporting a brighter, more even complexion.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glyceryl Thiopropionate

Glyceryl Thiopropionate

3.5

A synthetic antioxidant that may help protect skin from oxidative stress, but research is still limited.

Irritation

low

Source

synthetic

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Antioxidant

Glyceryl/Erythorbyl Laurate

Glyceryl/Erythorbyl Laurate

4.0

A gentle, stable vitamin C ester that brightens skin and fights free radicals without the irritation of pure ascorbic acid.

Irritation

low

Source

semi-synthetic

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Antioxidant

Glycyl Tyrosine

GLYCYL TYROSINE

3.8

A gentle peptide that may support skin brightness and antioxidant defense, but research is still early.

Irritation

low

Source

semi-synthetic

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Antioxidant

Goat's Beard Extract

Aruncus Aethusifolius Extract

3.5

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

Irritation

low

Source

natural

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Antioxidant

Goji Berry & Safflower Complex

Lycium Chinense Fruit/Safflower Flower/Root/Poria Cocos Extract

3.8

A gentle botanical blend that may offer antioxidant and soothing benefits, but research on this specific combination is limited.

Irritation

low

Source

natural

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Antioxidant

Goji Berry Callus Extract

Lycium Chinense Callus Extract

3.8

A gentle antioxidant extract from goji berry stem cells that may help protect skin from environmental stress, though human studies are limited.

Irritation

low

Source

natural

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Antioxidant

Goji Berry Extract

Lycium Chinense Fruit/Root Extract

4.0

A gentle, antioxidant-rich plant extract that helps protect skin from environmental stressors and may support a more even complexion.

Irritation

low

Source

natural

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Antioxidant

Goji Berry Ferment Filtrate

SACCHAROMYCES/LYCIUM CHINENSE FRUIT FERMENT EXTRACT FILTRATE

4.0

A fermented goji berry extract that provides antioxidant benefits and may help soothe and condition the skin.

Irritation

low

Source

biotech

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Antioxidant

Goji Berry Fruit Water

Lycium Chinense Fruit Water

4.0

A gentle, antioxidant-rich water from goji berries that helps protect skin from environmental stress and provides light hydration.

Irritation

low

Source

natural

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Antioxidant

Goji Berry Juice

Lycium Chinense Fruit Juice

4.0

A gentle, antioxidant-rich fruit juice that helps protect skin from environmental stress and supports a healthy glow.

Irritation

low

Source

natural

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Antioxidant

Goji Flower Extract

LYCIUM CHINENSE FLOWER EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Goji Leaf Extract

Lycium Chinense Leaf Extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Goji Stem Extract

Lycium Chinense Stem Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Gold

GOLD

3.5

Gold adds a touch of luxury and may offer mild antioxidant benefits, but its effects are subtle and not a must-have for most routines.

Irritation

low

Source

natural

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Antioxidant

Gold Ferment Lysate

Saccharomyces/Gold Ferment Lysate Filtrate

3.8

A trendy fermented ingredient that may offer antioxidant and soothing benefits, but human research is still limited.

Irritation

low

Source

biotech

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Antioxidant

Gold Thioctate

Gold Thioctate

3.5

Gold Thioctate is a novel antioxidant that may help protect skin from environmental damage, but research is limited and it can be irritating for some.

Irritation

moderate

Source

synthetic

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Humectant

Golden Algae Extract

PLEUROCHRYSIS CARTERAE EXTRACT

4.0

A gentle, marine-derived algae extract that helps hydrate and protect the skin, but research on its benefits is still emerging.

Irritation

low

Source

natural

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Antioxidant

Golden Berry Calyx Extract

PHYSALIS PERUVIANA CALYX 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

Golden Berry Fruit Juice

Physalis Pubescens Fruit Juice

3.8

A gentle, antioxidant-rich fruit juice that may help soothe and protect skin, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Golden Everlasting Extract

XEROCHRYSUM BRACTEATUM EXTRACT

4.0

A gentle, flower-derived extract that helps calm skin and fight free radical damage, ideal for sensitive or irritated skin.

Irritation

low

Source

natural

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Antioxidant

Golden Himalayan Raspberry Extract

Rubus Ellipticus Fruit Extract

4.0

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

Irritation

low

Source

natural

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Antioxidant

Golden Rhododendron Leaf Extract

Rhododendron Chrysanthum Leaf Extract

3.8

A gentle botanical extract with antioxidant potential, but research is limited and it may not be as potent as more studied alternatives.

Irritation

low

Source

natural

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Antioxidant

Golden Samphire Extract

INULA CRITHMOIDE FLOWER/LEAF 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

Gomphrena Root Extract

Gomphrena Officinalis Root Extract

3.8

Gomphrena Root Extract is a gentle, antioxidant-rich botanical that may help calm skin and protect against environmental stress, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Gooseberry Fruit Extract

RIBES UVA-CRISPA FRUIT EXTRACT

4.0

A gentle, antioxidant-rich fruit extract that may help brighten skin and protect against environmental damage.

Irritation

low

Source

natural

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Humectant

Gooseberry Fruit Juice

RIBES GROSSULARIA FRUIT JUICE

3.5

Gooseberry fruit juice adds light hydration and antioxidant support, but it's not a powerhouse ingredient on its own.

Irritation

low

Source

natural

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Antioxidant

Gorse Extract

ULEX EUROPAEUS LEAF/ROOT/STEM EXTRACT

3.8

Gorse extract is a gentle botanical antioxidant that may help calm and protect skin, but research is still early.

Irritation

low

Source

natural

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