Skin lipid / ceramide
CERAMIDE AS
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Ceramide AS is an alpha-hydroxy sphingosine-based skin-barrier lipid used to mimic endogenous ceramides, supporting barrier repair, hydration and reduced transepidermal water loss in skincare.
Function
Skin benefits
- Natural skin-barrier lipid mimicking endogenous stratum corneum ceramides
- Reduces transepidermal water loss and supports barrier repair
- CIR Expert Panel concluded ceramides safe in cosmetics at current use levels
- Strong tolerance in human patch testing across ceramide subclasses
Known concerns
- Effective only at proper formulation and delivery, requires solvent or liposomal carrier
- Sourcing and synthesis purity can vary by supplier
- Premium cost may limit effective in-use concentration
- Stability requires protection from oxidation in some bases
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.