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 203
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

Texture Enhancer

Dextrin Palmitate/Stearate

Dextrin Palmitate/Stearate

4.0

A gentle, starch-based ingredient that improves the feel and stability of products without common irritation concerns.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Gelling Agent

Dibutyl Lauroyl Glutamide

DIBUTYL LAUROYL GLUTAMIDE

4.0

A synthetic gelling agent that gives lip and stick products a smooth, clear, non-sticky texture without water.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Skin Conditioning Agent

Diethyl Caprylamide

DIETHYL CAPRYLAMIDE

3.5

A synthetic ingredient that improves the feel of skincare products without adding heavy oils or silicones.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

Dimethicone Crosspolymer-3

Dimethicone Crosspolymer-3

4.0

A gentle silicone powder that gives a silky, matte finish and helps control shine without clogging pores.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Texture Enhancer

Distarch Glyceryl Ether

DISTARCH GLYCERYL ETHER

4.0

A gentle, starch-based ingredient that improves product feel and stability without common irritants.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Thickener

Distarch Phosphate

DISTARCH PHOSPHATE

4.0

A gentle, starch-based thickener that improves product feel without common irritation or clogging concerns.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Viscosity Controlling Agent

Ethylene Dilinoleamide

Ethylene Dilinoleamide

3.8

A synthetic thickener that helps give creams and lotions a rich, stable texture with a low risk of irritation.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Viscosity Controlling Agent

Ethylene Distearamide

ETHYLENE DISTEARAMIDE

3.5

A safe, synthetic thickener that improves product texture but offers no direct skin benefit.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

Ethylenediamine/Methyl Acrylate Dendrimer

ETHYLENEDIAMINE/METHYL ACRYLATE DENDRIMER

3.8

A synthetic dendrimer that helps deliver active ingredients deeper into the skin while improving product feel, but research on long-term safety is still limited.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Exfoliant

Glass

GLASS

2.0

Glass is used in cosmetics mainly as a physical exfoliant or visual additive, but it can be harsh and is not a beneficial skincare ingredient for most people.

Irritation

high

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Absorbent

Hectorite

Hectorite

4.0

Hectorite is a gentle clay that helps control shine and thicken formulas without stripping the skin.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Skin conditioning agent

Hexyl Hydroxycapric Acid

Hexyl Hydroxycapric Acid

4.0

A mild, plant-derived ingredient that helps refine skin texture and support a smoother, more even complexion without irritation.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Absorbent

Hydrogenated Potato Starch

Hydrogenated Potato Starch

4.0

A gentle, plant-derived powder that helps absorb excess oil and gives products a silky, smooth feel without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Viscosity Controlling

Hydroxypropylcellulose

Hydroxypropylcellulose

4.0

A safe, plant-derived thickener that gives products a smooth, non-greasy feel and helps stabilize formulas.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Abrasive

Laminated Polyethylene Powder

POLYETHYLENE/POLYETHYLENE TEREPHTHALATE LAMINATED POWDER

3.0

A synthetic laminated powder that provides gentle exfoliation but raises environmental concerns due to microplastic content.

Irritation

moderate

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Texture Enhancer

Lauroyl Lysine

Lauroyl Lysine

4.5

Lauroyl Lysine is a gentle, amino-acid-based powder that gives cosmetics a silky, smooth feel without clogging pores or irritating skin.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Viscosity Controlling

Lithium Myristate

Lithium Myristate

3.0

Lithium Myristate is a synthetic thickener that helps give lipsticks and balms a smooth, stable texture, but it has no direct skin benefit and is rarely used in water-based skincare.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Anti-caking agent

Magnesium Sodium Fluorosilicate

Magnesium Sodium Fluorosilicate

2.0

Magnesium Sodium Fluorosilicate is a synthetic mineral salt used mainly as an anti-caking agent in powders, but it has limited research on skin benefits and may pose irritation risks at higher concentrations.

Irritation

moderate

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Texture Enhancer

Methicone Crosspolymer

Methicone Crosspolymer

4.0

A gentle silicone powder that gives a silky feel and helps control shine without clogging pores.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Thickener

Methylcellulose

Methylcellulose

4.0

A gentle, plant-derived thickener that improves product texture without clogging pores or irritating skin.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Absorbent

Microcrystalline Cellulose

MICROCRYSTALLINE CELLULOSE

4.0

A safe, plant-based texturizer that improves product feel and absorbs excess oil without clogging pores.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Texture Enhancer

Mineral Oxide Complex

SODIUM PHOSPHORUS/ZINC/CALCIUM/SILICON/ALUMINUM/SILVER OXIDES

3.5

A multi-mineral oxide blend that adds texture and stability to cosmetics, with silver oxide providing mild antimicrobial benefits.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Absorbent

Multi-Mineral Silicate Complex

ALUMINUM CALCIUM MAGNESIUM POTASSIUM SODIUM ZINC SILICATES

3.8

A mineral blend that helps control shine and improve product feel, generally safe for most skin types.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Film Former

Nylon-6

NYLON-6

3.5

Nylon-6 is a safe synthetic ingredient that improves the feel and wear of makeup and skincare, but it has no active skin benefits.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

Nylon-66

NYLON-66

3.8

Nylon-66 is a safe, non-irritating synthetic powder that improves the feel and wear of makeup, but it is not biodegradable.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

Octenylsuccinate Acacia Gum

ACACIA SEYAL GUM OCTENYLSUCCINATE

4.0

A gentle, modified natural gum that helps stabilize formulas and leaves a smooth, non-sticky feel on skin.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Absorbent

Orange Fiber

Citrus Aurantium Sinensis Fiber

4.0

Orange fiber is a natural, gentle ingredient that helps absorb excess oil and improve product texture without clogging pores.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Absorbent

Orthoclase

ORTHOCLASE

3.5

Orthoclase is a gentle mineral powder that helps absorb oil and improve texture in makeup, but its skincare benefits are minimal.

Irritation

low

Source

natural

beautyskincaretexturizer
Read ingredient review

Absorbent

Oxidized Starch Acetate

Oxidized Starch Acetate

3.8

A gentle, plant-derived powder that helps control oil and improve product feel without clogging pores.

Irritation

low

Source

semi-synthetic

beautyskincaretexturizer
Read ingredient review

Viscosity Controlling

PEG Crosspolymer

PEG Crosspolymer

3.8

A safe, synthetic thickener that improves product feel and stability without major skin concerns.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

PEG-180 Bispolylactide

PEG-180 Bispolylactide

3.5

A synthetic polymer that helps create a smooth, silky feel on skin and improves product spreadability.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Film Former

PEG/PPG-12/35 Copolymer

PEG/PPG-12/35 Copolymer

4.0

A gentle synthetic polymer that helps products feel silky and spread evenly without clogging pores.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Texture Enhancer

PEG/PPG-18/4 Copolymer

PEG/PPG-18/4 Copolymer

3.8

A versatile synthetic polymer that improves product feel and spreadability without common irritation concerns.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review

Humectant

PEG/PPG-20/9 Copolymer

PEG/PPG-20/9 Copolymer

4.0

A gentle synthetic polymer that helps products feel smooth and spread evenly without clogging pores.

Irritation

low

Source

synthetic

beautyskincaretexturizer
Read ingredient review