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 2,268
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-7 Lactate

Dimethicone PEG-7 Lactate

4.0

A gentle silicone derivative that improves product feel and skin softness, generally well-tolerated by most skin types.

Irritation

low

Source

semi-synthetic

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Emollient

Dimethicone PEG-8 Adipate

DIMETHICONE PEG-8 ADIPATE

4.0

A gentle silicone emollient that helps products glide on smoothly and leaves skin feeling soft without clogging pores.

Irritation

low

Source

semi-synthetic

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Emollient

Dimethicone PEG-8 Avocadoate

DIMETHICONE PEG-8 AVOCADOATE

4.0

A hybrid silicone-and-avocado emollient that smooths skin and improves product feel without heavy greasiness.

Irritation

low

Source

semi-synthetic

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Emollient

Dimethicone PEG-8 Beeswax

Dimethicone PEG-8 Beeswax

3.8

A silicone-wax hybrid that gives products a smooth, silky feel and helps them stay put, but may feel heavy on oily skin.

Irritation

low

Source

semi-synthetic

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Emollient

Dimethicone PEG-8 Benzoate

Dimethicone PEG-8 Benzoate

4.0

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

Irritation

low

Source

semi-synthetic

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Emollient

Dimethyl Adipate

Dimethyl Adipate

3.8

A lightweight, non-greasy emollient that helps other ingredients spread smoothly and evaporates quickly, leaving a silky feel.

Irritation

low

Source

synthetic

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Emollient

Dimethyl Brassylate

Dimethyl Brassylate

4.0

A gentle, plant-derived emollient that softens skin without clogging pores, ideal for sensitive and oily skin types.

Irritation

low

Source

natural

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Emollient

Dimethyl Capramide

Dimethyl Capramide

3.8

A gentle synthetic emollient that softens skin and improves product texture, with low irritation potential.

Irritation

low

Source

synthetic

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Emollient

Dimyristyl Ether

DIMYRISTYL ETHER

4.0

A gentle, non-greasy emollient that softens skin and improves product feel without clogging pores.

Irritation

low

Source

synthetic

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Emollient

Dimyristyl Tartrate

DIMYRISTYL TARTRATE

4.0

A gentle emollient that softens skin without clogging pores, commonly used to improve the feel of creams and lotions.

Irritation

low

Source

synthetic

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Antioxidant

Dimyristyl Thiodipropionate

DIMYRISTYL THIODIPROPIONATE

3.8

A gentle synthetic antioxidant that helps keep oils and butters in your skincare products fresh and stable.

Irritation

low

Source

synthetic

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Emollient

Dioctadecanyl Didecyltetradecanoate

DIOCTADECANYL DIDECYLTETRADECANOATE

3.8

A gentle, synthetic emollient that softens skin and reduces water loss, but offers no active benefits beyond basic moisturization.

Irritation

low

Source

synthetic

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Emollient

Dioctyldodecyl Malate

Dioctyldodecyl Malate

4.0

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

Irritation

low

Source

synthetic

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Emollient

Dioctyldodecyl Sebacate

DIOCTYLDODECYL SEBACATE

4.3

A silky, non-comedogenic emollient that hydrates without clogging pores, ideal for oily and acne-prone skin.

Irritation

low

Source

synthetic

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Emollient

Diocytldodecyl Adipate

DIOCTYLDODECYL ADIPATE

4.0

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

Irritation

low

Source

synthetic

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Emollient

Diocytldodecyl Dodecanedioate

DIOCTYLDODECYL DODECANEDIOATE

4.0

A lightweight synthetic emollient that softens skin without clogging pores, ideal for oily or combination skin types.

Irritation

low

Source

synthetic

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Emollient

Diocytldodecyl IPDI

DIOCTYLDODECYL IPDI

3.5

A synthetic emollient that helps soften and smooth skin with a low risk of irritation or clogged pores.

Irritation

low

Source

synthetic

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Emollient

Diocytldodecyl Stearoyl Glutamate

DIOCTYLDODECYL STEAROYL GLUTAMATE

4.0

A gentle, amino-acid-based emollient that helps soften and condition skin without clogging pores or causing irritation.

Irritation

low

Source

semi-synthetic

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Emollient

Dipentaerythrityl Hexaester

DIPENTAERYTHRITYL HEXAHYDROXYSTEARATE/HEXASTEARATE/HEXAHYDROGENATED ROSINATE

4.0

A gentle, non-greasy ester that improves texture and wear in color cosmetics and skincare.

Irritation

low

Source

semi-synthetic

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Emollient

Dipentaerythrityl Hexaester Blend

DIPENTAERYTHRITYL HEXAHYDROXYSTEARATE/HEXASTEARATE/HEXAROSINATE

4.0

A gentle, non-greasy emollient that improves product feel and spreadability without clogging pores.

Irritation

low

Source

semi-synthetic

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Emollient

Dipentyloxy Cyclohexane

DIPENTYLOXY CYCLOHEXANE

4.0

A lightweight synthetic emollient that improves product texture and skin feel without clogging pores.

Irritation

low

Source

synthetic

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Emollient

Dipropyl Adipate

DIPROPYL ADIPATE

4.2

Dipropyl Adipate is a lightweight, non-greasy emollient that improves product texture and skin feel, with a low risk of irritation or clogged pores.

Irritation

low

Source

synthetic

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Emollient

Dipropyl Carbonate

DIPROPYL CARBONATE

4.0

Dipropyl carbonate is a lightweight, fast-drying emollient that helps products glide on smoothly without leaving a greasy residue.

Irritation

low

Source

synthetic

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Emollient

Dipropylheptyl Carbonate

DIPROPYLHEPTYL CARBONATE

4.0

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

Irritation

low

Source

synthetic

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Emollient

Dipteryx Alata Seed Oil

Dipteryx Alata Seed Oil

4.2

A lightweight, antioxidant-rich oil that hydrates without clogging pores, ideal for normal to dry skin.

Irritation

low

Source

natural

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