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 20,769
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

Bamboo Leaf Extract

Phyllostachys Reticulata Extract

4.0

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

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Bamboo Meristem Cell Lysate

Phyllostachys Pubescens Meristem Cell Lysate

4.0

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

Irritation

low

Source

biotech

beautyskincareantioxidant
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Antioxidant

Bamboo Rhizome Extract

Phyllostachys Bambusoides Rhizome Extract

3.8

A gentle, plant-based extract that may help calm skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Bamboo Sap

Phyllostachys Pubescens Sap

4.0

A gentle, watery sap that helps hydrate and soothe the skin, with early research suggesting antioxidant benefits.

Irritation

low

Source

natural

beautyskincarehumectant
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Humectant

Bamboo Sap Extract

Bambusa Vulgaris Sap Extract

4.0

A gentle, plant-based humectant that helps hydrate and soothe the skin, though research on its specific benefits is still emerging.

Irritation

low

Source

natural

beautyskincarehumectant
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Antioxidant

Bamboo Shoot Bark Extract

Phyllostachys Pubescens Shoot Bark Extract

4.0

A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
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Soothing Agent

Bamboo Shoot Extract

BAMBUSA VULGARIS SHOOT EXTRACT

4.0

Bamboo Shoot Extract is a gentle, silica-rich ingredient that helps soothe and hydrate skin, making it a great choice for sensitive or irritated complexions.

Irritation

low

Source

natural

beautyskincaresoothing agent
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Antioxidant

Bamboo Shoot Sheath Extract

Phyllostachys Pubescens/Edulis Shoot Sheath Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Bamboo Shoot Water

Phyllostachys Edulis Shoot Water

4.0

A gentle, plant-derived water that provides light hydration and a soothing feel, ideal for sensitive or dehydrated skin.

Irritation

low

Source

natural

beautyskincarehumectant
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Antioxidant

Bamboo Stem Extract

Phyllostachys Heterocycla Stem Extract

4.0

A gentle, antioxidant-rich plant extract that helps soothe skin and protect against environmental stress.

Irritation

low

Source

natural

beautyskincareantioxidant
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Exfoliant

Bamboo Stem Powder

PHYLLOSTACHYS NIGRA STEM POWDER

3.8

A gentle, natural physical exfoliant from bamboo stems that helps smooth skin without harsh microbeads.

Irritation

low

Source

natural

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Humectant

Bamboo Water

BAMBUSA VULGARIS WATER

4.0

A gentle, water-like ingredient that adds light hydration and a touch of antioxidants, ideal for sensitive or dehydrated skin.

Irritation

low

Source

natural

beautyskincarehumectant
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Antioxidant

Banana Flower Extract

Musa Sapientum Flower Extract

3.8

A gentle plant extract that may help calm skin and fight free radicals, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Soothing Agent

Banana Flower Water

Musa Sapientum Flower Water

3.8

A mild, aromatic floral water that offers gentle hydration and soothing benefits, ideal for sensitive or irritated skin.

Irritation

low

Source

natural

beautyskincaresoothing
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Humectant

Banana Fruit Extract

Musa Sapientum Fruit Extract

4.0

Banana Fruit Extract is a gentle, natural humectant that helps hydrate and soothe the skin, making it a nice addition to moisturizing formulas.

Irritation

low

Source

natural

beautyskincarehumectant
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Humectant

Banana Fruit Juice

Musa Paradisiaca Fruit Juice

3.8

Banana fruit juice is a gentle, natural hydrator that can soothe and soften skin, but its benefits are mostly anecdotal and less studied than other fruit extracts.

Irritation

low

Source

natural

beautyskincarehumectant
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Humectant

Banana Pulp Extract

Musa Sapientum Pulp Extract

4.0

Banana pulp extract is a gentle, natural humectant that helps hydrate and soothe the skin, but its benefits are mostly anecdotal with limited clinical backing.

Irritation

low

Source

natural

beautyskincarehumectant
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Humectant

Banana Water

Musa Sapientum Water

3.8

Banana water is a gentle, hydrating ingredient that adds a touch of soothing moisture to skincare products, but it's not a powerhouse active.

Irritation

low

Source

natural

beautyskincarehumectant
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Antioxidant

Banksia Flower Extract

BANKSIA SPINULOSA FLOWER EXTRACT

3.8

A gentle, antioxidant-rich botanical extract that may help protect skin from environmental stress, though research on its specific benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Banksia Serrata Flower Extract

BANKSIA SERRATA FLOWER EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Banksia Serrata Seed Oil

BANKSIA SERRATA SEED OIL

4.0

A gentle, plant-based oil that hydrates and soothes skin without clogging pores, though research on its benefits is still emerging.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Banyan Tree Bark Extract

Ficus Benghalensis Bark/Bud Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Baobab Oil

Adansonia Digitata Oil

4.3

Baobab oil is a gentle, non-greasy moisturizer rich in essential fatty acids and antioxidants, suitable for most skin types including sensitive and oily skin.

Irritation

low

Source

natural

beautyskincareemollient
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Emollient

Baobab Oil PEG-8 Esters

ADANSONIA DIGITATA SEED OIL PEG-8 ESTERS

4.0

A gentle, water-friendly version of baobab oil that helps soften skin and hair without a greasy feel.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Baobab Oil Polyglyceryl-6 Esters

Adansonia Digitata Seed Oil Polyglyceryl-6 Esters

4.3

A gentle, eco-friendly emollient that hydrates without clogging pores, ideal for sensitive and oily skin types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Antioxidant

Baobab Seed Extract

Adansonia Digitata Seed Extract

4.0

Baobab Seed Extract is a gentle, antioxidant-rich ingredient that helps hydrate and protect the skin from environmental stress.

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Baobab Seed Oil

Adansonia Digitata Seed Oil

4.3

Baobab seed oil is a gentle, non-greasy emollient rich in essential fatty acids that helps soften and smooth skin without clogging pores.

Irritation

low

Source

natural

beautyskincareemollient
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Exfoliant

Baobab Seed Powder

Adansonia Digitata Seed Powder

3.8

A gentle, natural powder that helps exfoliate and absorb excess oil without harsh microbeads.

Irritation

low

Source

natural

beautyskincareexfoliant
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Soothing Agent

Baptisia Root Extract

BAPTISIA TINCTORIA ROOT EXTRACT

3.8

Baptisia root extract is a gentle botanical with antioxidant and soothing potential, though research in cosmetics is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical
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Antioxidant

Barberry Stem Extract

BERBERIS VULGARIS STEM EXTRACT

3.8

A gentle plant extract that may help calm skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
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Opacifying Agent

Barium Sulfate

CI 77120

3.5

A safe, non-irritating mineral pigment that adds opacity and texture to color cosmetics, but offers no skincare benefits.

Irritation

low

Source

natural

beautyskincarecolorant
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Antioxidant

Barklya Syringifolia Extract

Barklya Syringifolia Flower/Leaf Extract

3.5

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

Irritation

low

Source

natural

beautyskincareantioxidant
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Emollient

Barklya Syringifolia Seed Oil

Barklya Syringifolia Seed Oil

3.8

A gentle, plant-based emollient oil that helps soften and smooth skin, though research on its specific benefits is still limited.

Irritation

low

Source

natural

beautyskincareemollient
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Antioxidant

Barleria Prionitis Powder

Barleria Prionitis Powder

3.5

A gentle botanical powder with antioxidant potential, but limited modern cosmetic research to support strong claims.

Irritation

low

Source

natural

beautyskincarebotanical
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Antioxidant

Barley Extract

Hordeum Distichon Extract

4.0

Barley Extract is a gentle, antioxidant-rich ingredient that helps soothe and protect the skin from environmental stress.

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Barley Ferment Filtrate

Saccharomyces/Barley Seed Ferment Filtrate

4.0

A gentle fermented ingredient that hydrates and supports skin barrier health, ideal for sensitive or dry skin types.

Irritation

low

Source

biotech

beautyskincarehumectant
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Antioxidant

Barley Leaf Extract

Hordeum Vulgare Leaf Extract

4.0

Barley leaf extract is a gentle, antioxidant-rich ingredient that may help calm and protect skin, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
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Humectant

Barley Leaf Juice

HORDEUM VULGARE LEAF JUICE

3.8

Barley Leaf Juice is a gentle, hydrating ingredient that may help calm skin and provide antioxidant protection, but research is still limited.

Irritation

low

Source

natural

beautyskincarehumectant
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Antioxidant

Barley Leaf Powder

HORDEUM VULGARE LEAF POWDER

3.8

Barley leaf powder is a gentle, plant-based antioxidant that may help soothe and protect skin, but research on its topical benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Barley Leaf/Stem Powder

Hordeum Vulgare Leaf/Stem Powder

3.8

Barley leaf/stem powder is a gentle botanical ingredient that may offer antioxidant and soothing benefits, but research on its topical use is still emerging.

Irritation

low

Source

natural

beautyskincarebotanical
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Exfoliant

Barley Powder

Hordeum Vulgare Powder

3.8

Barley powder is a gentle, natural exfoliant that helps remove dead skin cells and absorb excess oil without harshness.

Irritation

low

Source

natural

beautyskincareexfoliantabsorbent
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Antioxidant

Barley Root Extract

Hordeum Vulgare Root Extract

3.8

Barley root extract is a gentle, antioxidant-rich ingredient that may help calm skin and protect against environmental stress, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Barley Seed Extract

SH-Barley Seed Extract

4.0

Barley Seed Extract is a gentle, antioxidant-rich ingredient that may help calm skin and protect against environmental stress.

Irritation

low

Source

natural

beautyskincareantioxidant
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Soothing Agent

Barley Seed Ferment Extract

SACCHAROMYCES/BARLEY SEED FERMENT EXTRACT

4.0

A gentle, fermented ingredient that helps soothe and hydrate the skin, making it a good choice for sensitive or irritated skin types.

Irritation

low

Source

biotech

beautyskincaresoothing agent
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Exfoliant

Barley Seed Flour

Hordeum Vulgare Seed Flour

3.8

Barley Seed Flour is a natural, gentle exfoliant that helps remove dead skin cells and absorb excess oil without harshness.

Irritation

low

Source

natural

beautyskincareexfoliant
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Humectant

Barley Seed Water

Hordeum Vulgare Seed Water

4.0

Barley Seed Water is a gentle, hydrating alternative to plain water in skincare, offering light nourishment and soothing benefits.

Irritation

low

Source

natural

beautyskincarehumectant
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Anti-aging agent

Barley SH-Oligopeptide-2

BARLEY SH-OLIGOPEPTIDE-2

3.8

A gentle peptide that may help support skin firmness, but research is still limited compared to more established peptides.

Irritation

low

Source

semi-synthetic

beautyskincarepeptide
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Anti-aging agent

Barley SH-Polypeptide-1

BARLEY SH-POLYPEPTIDE-1

3.8

A plant-derived peptide that may help improve skin firmness and hydration, but research is still early.

Irritation

low

Source

biotech

beautyskincarepeptide
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Anti-aging agent

Barley SH-Polypeptide-17

BARLEY SH-POLYPEPTIDE-17

4.0

A gentle, lab-made peptide inspired by barley that may help firm skin and soften fine lines with consistent use.

Irritation

low

Source

biotech

beautyskincarepeptide
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Anti-aging agent

Barley SH-Polypeptide-25

BARLEY SH-POLYPEPTIDE-25

4.0

A gentle peptide that may help improve skin firmness and reduce fine lines, with good tolerability for most skin types.

Irritation

low

Source

biotech

beautyskincarepeptide
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Anti-aging agent

Barley SH-Polypeptide-3

BARLEY SH-POLYPEPTIDE-3

4.0

A gentle, plant-derived peptide that may help improve skin firmness and hydration with low irritation potential.

Irritation

low

Source

biotech

beautyskincarepeptide
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Anti-aging agent

Barley SH-Polypeptide-8

BARLEY SH-POLYPEPTIDE-8

3.8

A gentle peptide that may help support skin firmness and reduce fine lines, but research is still early.

Irritation

low

Source

semi-synthetic

beautyskincarepeptide
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Anti-aging

Barley SH-Polypeptide-9

BARLEY SH-POLYPEPTIDE-9

4.0

A gentle, plant-derived peptide that may help improve skin firmness and reduce fine lines with minimal irritation risk.

Irritation

low

Source

biotech

beautyskincarepeptide
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Antioxidant

Barley Sprout Extract

Hordeum Vulgare Sprout Extract

4.0

Barley Sprout Extract is a gentle, antioxidant-rich ingredient that helps soothe and protect the skin from environmental stress.

Irritation

low

Source

natural

beautyskincareantioxidant
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Antioxidant

Barley Sprout Ferment

Hordeum Vulgare Sprout/Sucrose Ferment Filtrate

4.0

A gentle fermented ingredient that may help strengthen the skin barrier and defend against environmental stress.

Irritation

low

Source

biotech

beautyskincareantioxidant
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Humectant

Barley Stem Water

Hordeum Vulgare Stem Water

3.8

Barley Stem Water is a gentle, plant-derived water alternative that provides light hydration and soothing benefits, but it lacks strong independent research.

Irritation

low

Source

natural

beautyskincarehumectant
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