Ceramide AS is a long-chain ceramide molecule formulated into skincare to mimic components of the skin's outer layer. Brands use it to improve surface comfort, reduce moisture loss from products, and improve slip in emollient blends.
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Ceramide AS a Good Ingredient?
This is a long-chain ceramide analogous to native stratum corneum lipids, and studies of ceramide complexes show durable moisturization and barrier improvement with minimal irritation, which is what warrants a Great rating; it remains stable with cholesterol and fatty acids in modern emulsions.
What it does
Skin Benefits
Promotes a smoother, more comfortable complexion by reducing the look of roughness and dry texture, and helps skin feel cushioned and better able to handle daily stressors.
Where you'll find it
Uses in Skincare & Cosmetics
Frequently included in moisturizers and body lotions for long-lasting comfort, and in gentle cleansers and eye creams to minimize post-wash dryness.
Before you use it
Safety
Low irritation potential and suitable for sensitive skin; patch test if the barrier is impaired. No known cosmetic regulatory limitations when used as directed.