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

Dimethicone PEG-8 Borageate

DIMETHICONE PEG-8 BORAGEATE

4.0

A gentle silicone emollient that adds a silky feel and light hydration, generally safe for most skin types.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Dimethicone PEG-8 Lanolate

DIMETHICONE PEG-8 LANOLATE

3.8

A gentle silicone-lanolin hybrid that helps products spread smoothly and feel silky, but may not suit those avoiding silicones or lanolin derivatives.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emulsifier

Dimethicone PEG-8 Laurate

Dimethicone PEG-8 Laurate

3.5

A silicone emulsifier that helps mix oil and water, but may not suit everyone due to its synthetic nature and potential for buildup.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Emulsifier

Dimethicone PEG-8 Olivate

DIMETHICONE PEG-8 OLIVATE

4.0

A gentle silicone emulsifier that helps create smooth, stable formulas without heavy residue.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Emulsifier

Dimethicone PEG-8 Phosphate

DIMETHICONE PEG-8 PHOSPHATE

4.0

A gentle silicone emulsifier that helps create stable, lightweight formulas without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Film Former

Dimethicone PEG-8 Phthalate

Dimethicone PEG-8 Phthalate

3.0

A silicone derivative that helps products spread smoothly and form a film, but its phthalate component raises some safety questions.

Irritation

low

Source

synthetic

beautyskincarehaircare
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Film Former

Dimethicone PEG-8 Polyacrylate

Dimethicone PEG-8 Polyacrylate

3.8

A gentle silicone film-former that helps products feel silky and stay put, but may not suit those avoiding silicones.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Emulsifier

Dimethicone PEG/PPG-7/4 Phosphate

DIMETHICONE PEG/PPG-7/4 PHOSPHATE

4.0

A gentle silicone emulsifier that helps mix water and oil in products, but may not suit those avoiding silicones or PEG compounds.

Irritation

low

Source

semi-synthetic

beautyskincareemulsifier
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Conditioning Agent

Dimethicone Propyl PG-Betaine

Dimethicone Propyl PG-Betaine

4.0

A gentle silicone derivative that conditions hair and skin without the heavy feel of traditional silicones.

Irritation

low

Source

synthetic

beautyskincarehaircareconditioning agent
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Film Former

Dimethicone Silylate

Dimethicone Silylate

4.0

A gentle silicone that gives a silky, smooth feel to products without clogging pores or causing irritation.

Irritation

low

Source

synthetic

beautyskincaresilicone
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Film Former

Dimethicone/PEG-10 Crosspolymer

DIMETHICONE/PEG-10 CROSSPOLYMER

4.0

A gentle silicone polymer that creates a smooth, breathable film on skin, improving product feel and wear without clogging pores.

Irritation

low

Source

synthetic

beautyskincarefilm former
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Film Former

Dimethicone/PPG-20 Crosspolymer

DIMETHICONE/PPG-20 CROSSPOLYMER

4.0

A silicone polymer that creates a smooth, breathable film on skin, improving product feel and longevity without clogging pores.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Emollient

Dimethiconol

Dimethiconol

4.0

Dimethiconol is a gentle silicone that smooths skin and hair without clogging pores, making it a safe choice for most skin types.

Irritation

low

Source

synthetic

beautyskincarehaircareemollient
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Hair Conditioner

Dimethiconol Arginine

Dimethiconol Arginine

3.8

A gentle silicone-arginine hybrid that smooths hair and skin without heavy buildup, but may not suit those avoiding silicones entirely.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
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Emollient

Dimethiconol Beeswax

Dimethiconol Beeswax

4.0

A silicone-infused wax that gives products a silky, smooth feel without the heavy greasiness of traditional waxes.

Irritation

low

Source

semi-synthetic

beautyskincareemollientfilm-former
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Emollient

Dimethiconol Behenate

Dimethiconol Behenate

4.0

A gentle silicone ester that smooths skin and locks in moisture without feeling heavy or greasy.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Skin conditioner

Dimethiconol Borageate

Dimethiconol Borageate

4.0

A gentle silicone-oil hybrid that smooths skin and hair without heavy greasiness, with added fatty acid benefits from borage oil.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
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Emollient

Dimethiconol Candelillate

Dimethiconol Candelillate

4.0

A gentle silicone-wax hybrid that gives products a silky, non-greasy feel and helps them stay put.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Film Former

Dimethiconol Carnaubate

Dimethiconol Carnaubate

4.0

A gentle silicone wax that helps makeup and skincare last longer without feeling heavy or greasy.

Irritation

low

Source

semi-synthetic

beautyskincarefilm-former
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Emollient

Dimethiconol Hydroxystearate

DIMETHICONOL HYDROXYSTEARATE

4.0

A gentle silicone derivative that improves product feel and spreadability, suitable for most skin types including sensitive skin.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Dimethiconol Isostearate

Dimethiconol Isostearate

4.0

A gentle silicone ester that smooths skin and hair without heavy greasiness, but offers limited active benefits beyond surface feel.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
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Emollient

Dimethiconol Kokum Butterate

Dimethiconol Kokum Butterate

4.0

A gentle, silicone-like emollient that softens skin without greasiness, ideal for dry or sensitive skin.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Dimethiconol Lactate

Dimethiconol Lactate

4.0

A hybrid silicone-lactic acid ingredient that smooths skin and provides light moisture without heavy residue.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Skin Conditioning Agent

Dimethiconol Meadowfoamate

Dimethiconol Meadowfoamate

4.0

A gentle, silicone-based emollient that softens skin and hair without greasiness, ideal for dry or sensitive types.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
Read ingredient review

Hair Conditioner

Dimethiconol Methionine

Dimethiconol Methionine

4.0

A gentle silicone-amino acid hybrid that smooths hair and softens skin without heavy buildup.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
Read ingredient review

Conditioning Agent

Dimethiconol Panthenol

Dimethiconol Panthenol

4.0

A gentle silicone-panthenol hybrid that smooths hair and skin while adding a touch of moisture, but may feel heavy for fine hair or oily skin.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
Read ingredient review

Emollient

Dimethiconol Sal Butterate

Dimethiconol Sal Butterate

4.0

A lightweight silicone ester that provides a silky, smooth feel without heavy greasiness, making it a popular choice for modern formulations.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Emollient

Dimethiconol Stearate

DIMETHICONOL STEARATE

4.0

A gentle silicone-based emollient that helps products glide on smoothly without clogging pores, making it a good option for sensitive or acne-prone skin.

Irritation

low

Source

semi-synthetic

beautyskincareemollient
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Absorbent

Dimethiconol/Silica Crosspolymer

DIMETHICONOL/SILICA CROSSPOLYMER

4.0

A silicone powder that soaks up excess oil and gives a silky, non-greasy feel—great for shine control and blurring pores.

Irritation

low

Source

semi-synthetic

beautyskincarehaircare
Read ingredient review

Film Former

Dimethiconyl Silicate

Dimethiconyl Silicate

4.0

A gentle silicone that improves product feel and wear without clogging pores or causing irritation.

Irritation

low

Source

synthetic

beautyskincarefilm-former
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Antioxidant

Dimethoxy Di-P-Cresol

Dimethoxy Di-P-Cresol

3.8

A synthetic antioxidant that may help protect skin from environmental damage, but research is still emerging.

Irritation

low

Source

synthetic

beautyskincareantioxidant
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Antioxidant

Dimethoxyapigenin

Dimethoxyapigenin

3.8

A synthetic antioxidant that may help calm skin and fight free radicals, but research is still limited.

Irritation

low

Source

synthetic

beautyskincareantioxidant
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Fragrance Ingredient

Dimethoxybenzyl Alcohol

Dimethoxybenzyl Alcohol

4.0

A mild synthetic fragrance ingredient that also helps preserve formulas, generally considered safe at low concentrations.

Irritation

low

Source

synthetic

beautyskincarefragrance
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Skin brightener

Dimethoxyphenethyl Resorcinol

Dimethoxyphenethyl Resorcinol

4.0

A potent synthetic brightener that targets dark spots by blocking melanin production, but may cause irritation for sensitive skin.

Irritation

moderate

Source

synthetic

beautyskincarebrightening agent
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