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

Solvent

Ethylhexyl Acetate

Ethylhexyl Acetate

3.5

A lightweight synthetic solvent that helps products spread smoothly and evaporate quickly, but may cause dryness with overuse.

Irritation

low

Source

synthetic

beautyskincaresolvent
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Emollient

Ethylhexyl Acetoxystearate

Ethylhexyl Acetoxystearate

4.0

A lightweight, non-greasy emollient that helps soften skin and improve product texture without clogging pores.

Irritation

low

Source

synthetic

beautyskincareemollient
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Film Former

Ethylhexyl Acrylate

Ethylhexyl Acrylate

3.5

Ethylhexyl Acrylate helps makeup and sunscreen last longer, but it can be a mild irritant for sensitive skin.

Irritation

moderate

Source

synthetic

beautyskincarefilm-former
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Emollient

Ethylhexyl Behenate

Ethylhexyl Behenate

4.0

A gentle, non-greasy emollient that helps skin feel soft and smooth without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Benzoate

Ethylhexyl Benzoate

4.0

A lightweight, non-greasy emollient that helps products glide on smoothly and is generally well-tolerated by most skin types.

Irritation

low

Source

synthetic

beautyskincareemollient
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Anti-aging

Ethylhexyl Benzyldioxopiperazyl Acetate

Ethylhexyl Benzyldioxopiperazyl Acetate

3.8

A synthetic peptide-like ingredient that may help soften expression lines, but results are subtle and not as dramatic as prescription treatments.

Irritation

low

Source

synthetic

beautyskincareanti-aging
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Emollient

Ethylhexyl Caprate

Ethylhexyl Caprate

4.5

A silky, non-greasy emollient that hydrates and smooths skin, ideal for oily or combination types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Caprylate/Caprate

Ethylhexyl Caprylate/Caprate

4.2

A silky, non-greasy emollient that hydrates without clogging pores, ideal for oily and combination skin types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Coco-Oleate Estolide

ETHYLHEXYL COCO-OLEATE ESTOLIDE

4.3

A lightweight, plant-based emollient that hydrates without clogging pores, ideal for oily and sensitive skin types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Cocoate

Ethylhexyl Cocoate

4.2

A lightweight, non-greasy emollient derived from coconut oil that softens skin and helps other ingredients spread smoothly.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Skin Conditioning Agent

Ethylhexyl Cyclohexyl Urea

Ethylhexyl Cyclohexyl Urea

3.8

A gentle synthetic ingredient that makes skin feel smooth and silky without clogging pores or causing irritation.

Irritation

low

Source

synthetic

beautyskincareskin conditioning
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Antioxidant

Ethylhexyl Ferulate

Ethylhexyl Ferulate

4.0

A gentle, oil-soluble antioxidant that helps protect skin from environmental damage and may boost sunscreen effectiveness.

Irritation

low

Source

semi-synthetic

beautyskincareantioxidant
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Antioxidant

Ethylhexyl Gallate

Ethylhexyl Gallate

3.8

A synthetic antioxidant that helps keep skincare products fresh and may offer mild skin-protective benefits.

Irritation

low

Source

semi-synthetic

beautyskincareantioxidant
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Emollient

Ethylhexyl Hydroxystearate

Ethylhexyl Hydroxystearate

4.0

A lightweight synthetic emollient that softens skin and improves product texture, but may clog pores for some.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Isobutyrate

ETHYLHEXYL ISOBUTYRATE

3.8

A lightweight synthetic emollient that helps skin feel smooth without greasiness, generally well-tolerated.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Isononanoate

Ethylhexyl Isononanoate

4.0

A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Isopalmitate

Ethylhexyl Isopalmitate

4.0

A lightweight synthetic emollient that softens skin without greasiness, but may clog pores for some.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Isostearate

Ethylhexyl Isostearate

4.0

A lightweight, non-greasy emollient that softens skin and helps other ingredients spread smoothly.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Laurate

Ethylhexyl Laurate

4.0

A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Linoleoyl Stearate

Ethylhexyl Linoleoyl Stearate

4.0

A lightweight, non-greasy emollient that softens skin and improves product texture with a low risk of irritation.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Meadowfoamate

Ethylhexyl Meadowfoamate

4.5

A silky, non-greasy emollient derived from meadowfoam seed oil that hydrates and smooths skin with a lightweight feel.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Film Former

Ethylhexyl Methacrylate

ETHYLHEXYL METHACRYLATE

3.5

A synthetic film-former that helps nail polish and long-wear makeup stay put, but may cause irritation for sensitive skin or nail beds.

Irritation

moderate

Source

synthetic

beautyskincarenail care
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Film Former

Ethylhexyl Methacrylate Copolymer

ETHYLHEXYL METHACRYLATE/METHYL METHACRYLATE/VP COPOLYMER

3.8

A synthetic film-former that helps makeup and skincare last longer and resist water, but may feel tight or dry on sensitive skin.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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UV Filter Stabilizer

Ethylhexyl Methoxycrylene

Ethylhexyl Methoxycrylene

4.0

Ethylhexyl Methoxycrylene is a synthetic ingredient that keeps other sunscreen filters stable and effective, but it's not a primary UV blocker on its own.

Irritation

low

Source

synthetic

beautyskincaresunscreen
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Emollient

Ethylhexyl Myristate

Ethylhexyl Myristate

3.8

A lightweight emollient that gives a silky feel but may clog pores for acne-prone skin.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Oleate

Ethylhexyl Oleate

4.0

A silky, non-greasy emollient that softens skin but may clog pores for some people.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Oleate Estolides

Ethylhexyl Oleate Estolides

4.3

A lightweight, silky emollient that hydrates without clogging pores, ideal for oily and combination skin types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Olivate

Ethylhexyl Olivate

4.3

A lightweight, non-greasy emollient derived from olive oil that hydrates and softens skin without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Palmitate

Ethylhexyl Palmitate

3.8

A lightweight, silky emollient that helps products spread easily, but may clog pores for some skin types.

Irritation

low

Source

synthetic

beautyskincareemollient
Read ingredient review

Humectant

Ethylhexyl PCA

ETHYLHEXYL PCA

4.0

A gentle, synthetic humectant that helps skin hold onto moisture without feeling sticky or heavy.

Irritation

low

Source

synthetic

beautyskincarehumectant
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Emollient

Ethylhexyl Pelargonate

Ethylhexyl Pelargonate

4.0

A silky, lightweight emollient that hydrates without clogging pores, ideal for oily and combination skin.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Polyricinoleate

ETHYLHEXYL POLYRICINOLEATE

4.0

A gentle, plant-derived emollient that helps products spread smoothly and leaves skin feeling soft without greasiness.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Ethylhexyl Ricinoleate

Ethylhexyl Ricinoleate

4.0

A silky, non-greasy emollient that softens skin and improves product texture, with a low risk of irritation or clogged pores.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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UV Filter

Ethylhexyl Salicylate

Ethylhexyl Salicylate

4.0

A widely used UVB filter that helps protect skin from sunburn and is generally considered safe and well-tolerated.

Irritation

low

Source

synthetic

beautyskincaresunscreen
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Emollient

Ethylhexyl Stearate

Ethylhexyl Stearate

3.8

A lightweight synthetic emollient that makes products feel silky, but may clog pores for acne-prone skin.

Irritation

low

Source

synthetic

beautyskincareemollient
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UV Filter

Ethylhexyl Triazone

Ethylhexyl Triazone

4.5

A powerful, photostable UVB filter that provides reliable sunburn protection without the greasy feel of older sunscreens.

Irritation

low

Source

synthetic

beautyskincaresunscreen
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Preservative Booster

Ethylhexylglycerin

Ethylhexylglycerin

4.5

A gentle, effective preservative booster that helps keep products fresh while also providing mild skin-smoothing benefits.

Irritation

low

Source

synthetic

beautyskincarepreservative
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Antioxidant

Ethylhexylglyceryl Ascorbate

3-ETHYLHEXYLGLYCERYL 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

beautyskincareantioxidant
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Emollient

Ethylhexylglyceryl Behenate

Ethylhexylglyceryl Behenate

4.0

A gentle, non-greasy emollient that softens skin and improves product feel, with a low risk of irritation or clogged pores.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexylglyceryl Palmitate

Ethylhexylglyceryl Palmitate

4.0

A gentle, lightweight emollient that softens skin without a greasy feel, making it a good choice for most skin types.

Irritation

low

Source

synthetic

beautyskincareemollient
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Emollient

Ethylhexyloxyglyceryl Palmitate

Ethylhexyloxyglyceryl Palmitate

4.0

A lightweight, non-greasy emollient that hydrates and smooths skin without clogging pores, making it a good choice for sensitive and oily skin types.

Irritation

low

Source

synthetic

beautyskincareemollient
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Fragrance Ingredient

Ethylidene Octahydro Methano Benzopyran

6-ETHYLIDENEOCTAHYDRO-5,8-METHANO-2H-BENZO-1-PYRAN

3.5

A synthetic scent ingredient that adds a warm, woody note to products; generally safe at low levels but may cause sensitivity in some people.

Irritation

low

Source

synthetic

beautyskincarefragrance
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Preservative

Ethylparaben

Ethylparaben

3.5

Ethylparaben is an effective preservative with a long safety record, but some consumers prefer to avoid it due to concerns about endocrine disruption.

Irritation

low

Source

synthetic

beautyskincarepreservative
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Emollient

Ethylpentyl Dioxolane

2-Ethylpentyl-1,3-dioxolane

3.5

A synthetic emollient that helps products spread smoothly and feel lightweight, with low irritation potential.

Irritation

low

Source

synthetic

beautyskincareemollient
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Skin conditioning

Ethylpentyl Methoxychromone

ETHYLPENTYL METHOXYCHROMONE

4.0

A synthetic antioxidant that helps brighten skin and protect against environmental damage, with low irritation potential.

Irritation

low

Source

synthetic

beautyskincareantioxidant
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Skin conditioning agent

Ethylpentyloxyacetic Acid

ETHYLPENTYLOXYACETIC ACID

3.8

A mild synthetic skin conditioner that helps products feel smoother, but it lacks extensive independent research.

Irritation

low

Source

synthetic

beautyskincareskin conditioning agent
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