4.3
A synthetic ceramide-like ingredient that strengthens the skin barrier and helps lock in moisture without irritation.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient reviewBeauty 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 22 of 22
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
4.0
A gentle, algae-derived lipid that helps strengthen the skin barrier and lock in moisture.
Irritation
low
Source
biotech
beautyskincarelipid
Read ingredient review4.2
A gentle, lipid-based ingredient that mimics natural skin components to strengthen the barrier and lock in moisture.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.3
A synthetic ceramide that mimics skin's natural lipids to strengthen the barrier and lock in moisture.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient review4.0
A skin-identical lipid that helps repair and strengthen the moisture barrier, ideal for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.5
Ceramide 1 A is a skin-identical lipid that strengthens the moisture barrier, making it a gentle and effective choice for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.5
Ceramide 4 is a skin-identical lipid that strengthens the moisture barrier and helps prevent dryness and irritation.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.5
A skin-identical ceramide that strengthens the moisture barrier and reduces water loss, making it a staple for dry or sensitive skin.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient review4.5
A potent ceramide that reinforces the skin barrier, reduces water loss, and soothes sensitivity.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.5
Ceramide EOP is a key skin lipid that strengthens the moisture barrier, making it ideal for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.3
A gentle, barrier-strengthening lipid that helps dry or sensitive skin retain moisture without irritation.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.5
A gentle, synthetic ceramide that strengthens the skin barrier and locks in moisture without irritation.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient review4.5
A potent, skin-identical ceramide that reinforces the moisture barrier and reduces water loss.
Irritation
low
Source
biotech
beautyskincarelipid
Read ingredient review4.5
A synthetic ceramide that mimics the skin's natural lipids to strengthen the moisture barrier and calm dryness.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient review3.8
A gentle lipid that may help strengthen the skin barrier and improve hydration, but research is still early.
Irritation
low
Source
natural
beautyskincarelipid
Read ingredient review4.5
A synthetic ceramide that helps restore the skin's moisture barrier, making it ideal for dry or sensitive skin.
Irritation
low
Source
synthetic
beautyskincarelipid
Read ingredient review4.3
A skin-friendly lipid that strengthens the barrier and helps calm redness without clogging pores.
Irritation
low
Source
biotech
beautyskincarelipid
Read ingredient review4.2
A skin-friendly lipid that strengthens the moisture barrier and calms sensitivity without clogging pores.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.3
A skin-friendly lipid that strengthens the moisture barrier and soothes sensitivity without clogging pores.
Irritation
low
Source
biotech
beautyskincarelipid
Read ingredient review4.3
A skin-friendly lipid that strengthens the moisture barrier and soothes sensitivity.
Irritation
low
Source
biotech
beautyskincarelipid
Read ingredient review4.3
A gentle, multi-tasking lipid that helps repair the skin barrier while providing mild exfoliation—great for sensitive or acne-prone skin.
Irritation
low
Source
semi-synthetic
beautyskincarelipid
Read ingredient review4.3
A skin-identical lipid that strengthens the moisture barrier and calms sensitivity.
Irritation
low
Source
natural
beautyskincarelipid
Read ingredient review