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

Tulip Callus Culture Extract

Tulipa Gesneriana Callus Culture Extract

3.8

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

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Tulip Flower Extract

TULIPA HYBRID FLOWER EXTRACT

3.5

Tulip flower extract is a gentle antioxidant that may help calm skin, but research is still early and it's not a standout ingredient.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Tulip Phytoplacenta Extract

Tulipa Gesneriana Phytoplacenta Extract

3.5

A trendy botanical extract with promising antioxidant potential, but currently lacks robust human studies to back its placenta-like claims.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Tulipalin B

Tulipalin B

3.5

Tulipalin B is a plant-derived compound with promising antioxidant and anti-inflammatory properties, but research is still early and it may cause irritation in sensitive skin.

Irritation

moderate

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turkestanica Flower Extract

Ajuga Turkestanica Flower Extract

3.8

A gentle plant extract with antioxidant potential, best for soothing sensitive skin, though research is still emerging.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Callus Culture Extract

Curcuma Longa Callus Culture Extract

4.0

A lab-grown turmeric extract that offers antioxidant protection and soothing benefits without the strong color or scent of whole turmeric.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Callus Extract

Curcuma Longa (Turmeric) Callus Conditioned Media

4.0

A lab-grown turmeric extract that offers antioxidant and soothing benefits without the strong color or scent of traditional turmeric.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Callus Lysate

CURCUMA LONGA CALLUS LYSATE

4.0

A lab-grown turmeric ingredient that offers antioxidant and soothing benefits without the strong color or scent of whole turmeric.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Root Extract

Curcuma Longa (Turmeric) Root Extract

4.2

A gentle antioxidant extract that helps calm skin and fight environmental damage, but its brightening effects are mild and vary by formulation.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Root Oil

CURCUMA LONGA ROOT OIL

4.0

Turmeric Root Oil offers antioxidant and soothing benefits, but its strong aroma and potential for irritation mean it works best in low concentrations.

Irritation

moderate

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Root Powder

Curcuma Longa Root Powder

4.0

Turmeric root powder is a natural antioxidant that may help calm skin and provide a healthy glow, but it can temporarily stain skin yellow.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turmeric Root Water

CURCUMA LONGA ROOT WATER

4.0

A gentle, antioxidant-rich water from turmeric root that helps calm and protect skin without the staining of turmeric oil.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turnera Diffusa Leaf Extract

TURNERA DIFFUSA LEAF EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turnip Callus Extract

Brassica Rapa Callus Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turnip Seed Extract

Brassica Rapa Seed Extract

3.8

A gentle, plant-based antioxidant that helps protect skin from environmental stress, though research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Turquoise Ferment Filtrate

Saccharomyces/Turquoise Ferment Lysate Filtrate

3.8

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

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Twinflower Extract

Linnaea Borealis Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Tyrosine

TYROSINE

3.8

Tyrosine is a gentle amino acid antioxidant that may support skin's natural defenses and even tone, but its direct brightening effects are limited in topical use.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Tyrosyl Histidine HCl

TYROSYL HISTIDINE HCL

4.0

A gentle dipeptide that may help protect skin from oxidative stress and support a more even tone, though research is still early.

Irritation

low

Source

semi-synthetic

beautyskincareantioxidant
Read ingredient review

Antioxidant

Uapaca Bojeri Leaf Extract

Uapaca Bojeri Leaf Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Ubiquinol

UBIQUINOL

4.0

A potent antioxidant form of CoQ10 that helps protect skin from environmental damage and supports natural repair processes.

Irritation

low

Source

semi-synthetic

beautyskincareantioxidant
Read ingredient review

Antioxidant

Ubiquinone

Ubiquinone

4.0

Ubiquinone (CoQ10) is a gentle antioxidant that may help reduce fine lines and support skin repair, but its large molecule size limits how deeply it can penetrate.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Udotea Abbottiorum Callus Culture Extract

UDOTEA ABBOTTIORUM CALLUS CULTURE EXTRACT

3.8

A lab-grown algae extract that may help protect skin from environmental stress, but research is still early and benefits are not yet proven in human studies.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Umbellate Hawkweed Extract

HIERACIUM UMBELLATUM EXTRACT

3.5

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Umbrella Leaf Extract

DIPHYLLEIA GRAYI EXTRACT

3.5

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Umbrella Leaf Flower Extract

DIPHYLLEIA GRAYI FLOWER EXTRACT

3.5

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Undecylenoyl Grape Seed Extract

UNDECYLENOYL GRAPE SEED EXTRACT

3.8

A semi-synthetic ingredient that combines grape seed's antioxidant power with a fatty acid to potentially boost antimicrobial activity, though research is still emerging.

Irritation

low

Source

semi-synthetic

beautyskincareantioxidant
Read ingredient review

Antioxidant

Ural Campion Callus Extract

Silene Uralensis Callus Culture Extract

3.8

A plant-based biotech ingredient with antioxidant potential, but research is still early and benefits are not yet proven in humans.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Antioxidant

Uric Acid

Uric Acid

3.8

Uric acid is a gentle, natural antioxidant that helps protect skin from pollution and UV damage while supporting the skin's moisture barrier.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Ursolic Acid

URSOLIC ACID

3.8

Ursolic acid is a plant-based antioxidant that may help calm skin and support a more even-looking complexion, but human studies are limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Usnea Barbata Callus Extract

Usnea Barbata Callus Extract

3.8

A gentle lichen-derived antioxidant that may help calm skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Uuron-Cha Extract

UURON-CHA EKISU

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Valencia Orange Peel Extract

Citrus Sinensis (Valencia) Peel Extract

4.0

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Valonia Oak Cupule Extract

Quercus Aegilops Cupule Extract

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vanilla Flower Extract

Vanilla Planifolia Flower Extract

3.8

A gentle, antioxidant-rich botanical extract that adds a pleasant scent and may help calm skin, but its benefits are mild compared to more potent antioxidants.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vanilla Fruit Extract

Vanilla Planifolia Fruit Extract

4.0

Vanilla fruit extract is a gentle antioxidant that helps protect skin from environmental stress while offering a subtle, natural scent.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Fragrance

Vanilla Fruit Water

Vanilla Planifolia Fruit Water

3.8

A gentle, lightly fragrant water from vanilla pods that adds a subtle antioxidant boost and pleasant scent to skincare, but its benefits are mild compared to more concentrated extracts.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vanilla Leaf Cell Extract

Vanilla Planifolia Leaf Cell Extract

3.8

A gentle, lab-grown antioxidant extract from vanilla leaves that may help calm and protect skin, but research is still early.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Fragrance

Vanilla Planifolia Tincture

Vanilla Planifolia Tincture

3.8

Vanilla Planifolia Tincture adds a warm, natural fragrance and mild antioxidant benefits to skincare, but its effects are subtle and not a primary active ingredient.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vanilla Seed Extract

Vanilla Planifolia Seed

3.8

A gentle, antioxidant-rich extract that may help calm skin and fight free radical damage, but research is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vanillic Acid

Vanillic Acid

4.0

A gentle antioxidant that helps protect skin from environmental stress while supporting a calm, even-toned complexion.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vateria Indica Bark Extract

VATERIA INDICA BARK EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vegetable Blend Extract

ALLIUM FISTULOSUM STALK/BRASSICA RAPA LEAF/STEM/CAPSICUM ANNUUM FRUIT EXTRACT

3.8

A gentle botanical blend that may offer antioxidant and soothing benefits, but research is limited and individual plant contributions vary.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vegetable Fruit Blend Extract

Luffa cylindrica Fruit/Daucus carota sativa Root/Cucumis sativus Fruit 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

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vegetable Fruit Complex Extract

Luffa cylindrica Fruit/Daucus carota sativa Root/Cucumis sativus Fruit Extract

3.8

A gentle botanical blend that offers antioxidant protection and soothing hydration, best for normal to dry skin types.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Veiled Lady Mushroom Extract

DICTYOPHORA INDUSIATA FRUITING BODY EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Veitch Fir Leaf Extract

Abies Veitchii Leaf 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

beautyskincareantioxidant
Read ingredient review

Antioxidant

Velvet Berry Extract

ANTIDESMA VELUTINOSUM FRUIT EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Velvet Mesquite Seed Extract

PROSOPIS VELUTINA SEED EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Venus Flytrap Extract

Dionaea Muscipula Extract

3.5

Venus flytrap extract is a novel botanical ingredient with antioxidant potential, but research on its skincare benefits is still limited.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Veratric Acid

VERATRIC ACID

3.8

A gentle antioxidant that may help brighten skin and fight free radicals, but research is still early.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Fragrance Ingredient

Veratryl Alcohol

VERATRYL ALCOHOL

3.8

Veratryl alcohol is a gentle antioxidant and fragrance component found in some natural extracts, but its skincare benefits are not as well-studied as more common antioxidants.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Verbascoside

VERBASCOSIDE

4.0

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vetch Extract

Vicia Sativa Extract

3.8

A gentle plant extract with antioxidant potential, but research is limited and it's not a standout ingredient.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Vetch Symbiosome Extract

Vicia Sativa Symbiosome Extract

4.0

A gentle, biotech-derived extract that may help strengthen the skin barrier and defend against environmental stress, though research is still emerging.

Irritation

low

Source

biotech

beautyskincareantioxidant
Read ingredient review

Soothing Agent

Vetiver Root Extract

Vetiveria Zizanoides Root Extract

3.8

Vetiver root extract offers gentle antioxidant and soothing benefits, but research is limited and its main role is often as a natural fragrance.

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review

Antioxidant

Viburnum Awabuki Leaf Extract

VIBURNUM AWABUKI LEAF EXTRACT

3.8

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

Irritation

low

Source

natural

beautyskincareantioxidant
Read ingredient review