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 20,303
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

Emollient

Blackcurrant Bud Oil

RIBES NIGRUM BUD OIL

4.0

A nourishing, antioxidant-rich oil from blackcurrant buds that helps soften and protect the skin without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Emollient

Blackcurrant Bud Wax

RIBES NIGRUM BUD CERA

4.0

A gentle, plant-derived wax that helps lock in moisture and gives products a smooth, non-greasy feel.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Blackcurrant Callus Powder

RIBES NIGRUM CALLUS POWDER

4.0

A gentle, antioxidant-rich plant powder that may help protect skin from environmental stress and support a more even tone.

Irritation

low

Source

natural

beautyskincareantioxidant
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Skin-Conditioning Agent

Blackcurrant Fruit Water

RIBES NIGRUM FRUIT WATER

4.0

Blackcurrant Fruit Water is a gentle, antioxidant-rich ingredient that hydrates and soothes skin, but its benefits are largely from natural fruit compounds rather than a single active.

Irritation

low

Source

natural

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Antioxidant

Blackcurrant Leaf Extract

RIBES NIGRUM LEAF 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

Blackcurrant Leaf Oil

RIBES NIGRUM LEAF OIL

4.0

A gentle, antioxidant-rich botanical oil that adds a subtle herbal scent and skin-soothing benefits.

Irritation

low

Source

natural

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Soothing Agent

Blackcurrant Leaf Water

RIBES NIGRUM LEAF WATER

4.0

A mild, antioxidant-rich botanical water that can help soothe and refresh the skin without irritation.

Irritation

low

Source

natural

beautyskincaresoothing
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Emollient

Blackcurrant Seed Oil

RIBES NIGRUM FRUIT OIL

4.3

Blackcurrant Seed Oil is a gentle, nourishing oil rich in omega fatty acids and antioxidants, ideal for dry or sensitive skin.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Blackhaw Viburnum Extract

VIBURNUM PRUNIFOLIUM EXTRACT

3.5

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing agent

Blackthorn Flower Water

Prunus Spinosa Flower Water

3.8

A mild, fragrant floral water that can add a touch of soothing refreshment to skincare, but its benefits are largely anecdotal and not backed by strong research.

Irritation

low

Source

natural

beautyskincaresoothing
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Antioxidant

Blackthorn Fruit Extract

Pyrus spinosa fruit extract

4.0

A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress and supports a healthy-looking complexion.

Irritation

low

Source

natural

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Astringent

Blackthorn Wood Extract

PRUNUS SPINOSA WOOD EXTRACT

3.8

A gentle botanical extract with mild astringent and antioxidant benefits, best for normal to oily skin types.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Humectant

Bladderwrack Extract

Fucus Vesiculosus Extract

4.0

A gentle seaweed extract that hydrates and soothes skin, but its benefits are mostly anecdotal and backed by limited clinical research.

Irritation

low

Source

natural

beautyskincarehumectant
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Emollient

Bladderwrack Oil

Fucus Vesiculosus Thalle Oil

4.0

A gentle, nutrient-packed seaweed oil that hydrates and protects skin without clogging pores.

Irritation

low

Source

natural

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Soothing agent

Bladderwrack Powder

Fucus vesiculosus powder

3.8

Bladderwrack powder is a gentle seaweed ingredient that can help soothe and condition the skin, but it is not a proven treatment for any skin condition.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Antioxidant

Blechnum Discolor Leaf Extract

Blechnum Discolor Leaf Extract

3.8

A gentle, antioxidant-rich fern extract that may help calm skin and protect against environmental stress, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Bleeding Heart Flower Extract

Dicentra Spectabilis Flower Extract

3.5

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

Irritation

low

Source

natural

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Soothing Agent

Blessed Thistle Extract

Cnicus Benedictus Extract

3.8

Blessed Thistle Extract is a gentle botanical with antioxidant and soothing potential, but research on its cosmetic benefits is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Bletia Hyacinthina Bulb Extract

BLETIA HYACINTHINA BULB EXTRACT

3.5

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Bletilla Striata Callus Powder

Bletilla Striata Callus Powder

4.0

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

Irritation

low

Source

natural

beautyskincaresoothing agent
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Film Former

Bletilla Striata Root Powder

Bletilla Striata Root Powder

3.8

A gentle botanical powder that can help calm skin and create a soft, smooth feel, but research is still early.

Irritation

low

Source

natural

beautyskincarebotanical
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Humectant

Bletilla Striata Root Water

BLETILLA STRIATA ROOT WATER

3.8

A gentle, hydrating orchid root water with traditional soothing properties, but limited modern research to back specific skincare claims.

Irritation

low

Source

natural

beautyskincarebotanical
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Antimicrobial

Bloodroot Extract

Sanguinaria Canadensis Rhizome/Root Extract

3.5

Bloodroot extract may offer antimicrobial benefits for acne-prone skin, but it can be irritating and is not well-studied for cosmetic use.

Irritation

moderate

Source

natural

beautyskincarebotanical extract
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Colorant

Blue 1 Lake

CI 42090

3.5

A widely used synthetic blue dye that is generally safe in cosmetics but offers no skincare benefits.

Irritation

low

Source

synthetic

beautyskincarecolorant
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Antioxidant

Blue Cohosh Root Extract

Caulophyllum thalictroides rhizome/root

3.5

Blue Cohosh Root Extract offers antioxidant benefits but has limited safety data in cosmetics and may be irritating for sensitive skin.

Irritation

moderate

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Blue Cypress Oil

CALLITRIS INTRATROPICA WOOD OIL

4.0

Blue Cypress Oil is a gentle, aromatic oil that may help calm and moisturize the skin, though research is still emerging.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing Agent

Blue Flag Iris Extract

Iris Versicolor Extract

3.8

A gentle botanical extract with soothing and antioxidant potential, but research is limited and it's best used in well-formulated products.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Blue Flag Root Extract

Iris Versicolor Root Extract

3.8

Blue Flag Root Extract is a botanical ingredient that may help soothe and tighten skin, but it has limited research and a moderate irritation risk for sensitive skin.

Irritation

moderate

Source

natural

beautyskincarebotanical
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Antioxidant

Blue Lotus Flower Extract

NYMPHAEA COERULEA FLOWER EXTRACT

3.8

Blue lotus flower extract is a gentle, antioxidant-rich botanical that may help calm skin and fight free radical damage, but research on its cosmetic benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Blue Lotus Flower Oil

NYMPHAEA COERULEA FLOWER OIL

3.8

A gentle, aromatic oil that adds a touch of luxury to skincare, but its benefits are mostly anecdotal and backed by limited research.

Irritation

low

Source

natural

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Soothing Agent

Blue Lotus Flower Powder

NYMPHAEA STELLATA FLOWER POWDER

3.8

A gentle, antioxidant-rich botanical powder that may help calm skin, but scientific evidence is limited and it is best used as part of a broader soothing formulation.

Irritation

low

Source

natural

beautyskincarebotanical
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Soothing Agent

Blue Lotus Flower Water

Nymphaea Coerulea Flower Water

3.8

A gentle, aromatic water that may help calm skin and provide mild antioxidant benefits, but research is limited.

Irritation

low

Source

natural

beautyskincaresoothing
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Antioxidant

Blue Lotus Leaf Cell Extract

Nymphaea Coerulea Leaf Cell Extract

3.8

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

Irritation

low

Source

natural

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Antioxidant

Blue Lotus Seed Extract

NYMPHAEA CAERULEA SEED EXTRACT

3.8

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

Irritation

low

Source

natural

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Soothing Agent

Blue Tansy Callus Extract

TRIGONOTIS PEDUNCULARIS CALLUS EXTRACT

4.0

A gentle, plant-based ingredient that helps calm redness and provides antioxidant protection, though research is still early.

Irritation

low

Source

natural

beautyskincaresoothing
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Antioxidant

Bluebeard Extract

CARYOPTERIS INCANA FLOWER/LEAF/STEM EXTRACT

3.8

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

Irritation

low

Source

natural

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Antioxidant

Bluebeard Seed Extract

Caryopteris Incana Seed Extract

3.5

A gentle plant extract with antioxidant potential, but research is still limited—think of it as a supportive ingredient rather than a star player.

Irritation

low

Source

natural

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Antioxidant

Bluebell Seed Extract

Hyacinthoides Non-Scripta Seed Extract

3.5

A gentle botanical extract with antioxidant potential, but research is limited and it's rarely used as a standalone active.

Irritation

low

Source

natural

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Antioxidant

Blueberry Callus Extract

VACCINIUM VIRGATUM CALLUS EXTRACT

4.0

A gentle, antioxidant-rich plant stem cell extract that helps protect skin from environmental stress, though research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Blueberry Ferment Filtrate

LACTOBACILLUS/LEUCONOSTOC/BLUEBERRY FRUIT EXTRACT FERMENT FILTRATE

4.0

A fermented blueberry extract that may provide antioxidant protection and gentle enzymatic exfoliation, but research is still emerging.

Irritation

low

Source

biotech

beautyskincareantioxidant
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Antioxidant

Blueberry Fruit Extract

Vaccinium Corymbosum Fruit Extract

4.2

Blueberry fruit extract is a gentle antioxidant that helps protect skin from environmental stress and may support a more even tone.

Irritation

low

Source

natural

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Antioxidant

Blueberry Fruit Juice

VACCINIUM VIRGATUM FRUIT JUICE

4.0

Blueberry fruit juice is a gentle, antioxidant-rich ingredient that helps protect skin from environmental stress and adds a touch of natural nourishment.

Irritation

low

Source

natural

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Antioxidant

Blueberry Fruit Water

Vaccinium Corymbosum (Blueberry) Fruit Water

3.8

Blueberry Fruit Water is a gentle, antioxidant-rich hydrator that adds a touch of skin-soothing benefits, but it's not a powerhouse ingredient on its own.

Irritation

low

Source

natural

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Emollient

Blueberry Seed Oil

VACCINIUM CORYMBOSUM SEED OIL

4.3

A lightweight, antioxidant-rich oil that hydrates and helps protect skin from environmental stress without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Blueberry Stem Extract

Vaccinium Virgatum Stem Extract

3.8

A gentle plant extract that may help protect skin from environmental stress, but research on its specific benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Skin conditioning agent

Bobgunnia Wood Extract

Bobgunnia Madagascariensis Wood Extract

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Boehmeria Leaf Extract

Boehmeria Nipononivea Leaf Extract

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Boehmeria Spicata Extract

Boehmeria Spicata Extract

3.8

A gentle botanical extract with potential soothing and antioxidant benefits, but research is still early.

Irritation

low

Source

natural

beautyskincarebotanical extract
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Soothing Agent

Boerhavia Repens Extract

BOERHAVIA REPENS EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincaresoothing agent
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Soothing Agent

Boerhavia Repens Powder

BOERHAVIA REPENS POWDER

3.8

A gentle botanical powder with traditional roots, offering soothing and antioxidant benefits, though modern research is still emerging.

Irritation

low

Source

natural

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Antioxidant

Bog Bilberry Extract

VACCINIUM ULIGINOSUM BERRY EXTRACT

4.0

A gentle antioxidant-rich extract from bog bilberries that helps protect skin from environmental stress and may calm irritation.

Irritation

low

Source

natural

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Soothing Agent

Bogbean Leaf Extract

Menyanthes Trifoliata Leaf Extract

3.8

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

Irritation

low

Source

natural

beautyskincarebotanical extract
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Antioxidant

Bogota Phytolacca Leaf Extract

PHYTOLACCA BOGOTENSIS LEAF EXTRACT

3.5

A gentle, plant-derived extract with antioxidant potential, but research is limited and it may not be a powerhouse ingredient.

Irritation

low

Source

natural

beautyskincareantioxidant
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