4.5
Ceramide AP is a skin-identical lipid that helps repair the moisture barrier, making it a gentle and effective choice for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient reviewBeauty ingredient research
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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 13 of 13
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
4.5
A skin-identical lipid that strengthens the moisture barrier and reduces water loss.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient review4.5
A synthetic ceramide that mimics skin's natural lipids to strengthen the moisture barrier and reduce water loss.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.5
A skin-identical lipid that strengthens the moisture barrier and reduces water loss.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient review4.3
A synthetic ceramide that helps strengthen the skin barrier and lock in moisture, with low irritation potential.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.0
A synthetic ingredient that mimics ceramides to help strengthen the skin barrier and improve moisture retention.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.3
A synthetic ceramide mimic that strengthens the skin barrier and locks in moisture without irritation.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.5
A gentle, skin-identical ingredient that strengthens the moisture barrier and calms sensitivity.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient review4.5
A potent ceramide-like ingredient that strengthens the skin barrier and locks in moisture, ideal for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient review4.0
A synthetic ceramide mimic that helps strengthen the skin barrier and lock in moisture, ideal for dry or sensitive skin.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.0
A synthetic ceramide mimic that strengthens the skin barrier and locks in moisture, ideal for dry or sensitive skin.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.0
A synthetic ceramide mimic that strengthens the skin barrier and locks in moisture, ideal for dry or sensitive skin.
Irritation
low
Source
synthetic
beautyskincarebarrier repair
Read ingredient review4.3
A gentle, ceramide-like ingredient that strengthens the skin barrier and soothes sensitivity.
Irritation
low
Source
semi-synthetic
beautyskincarebarrier repair
Read ingredient review