Ceramide AP
Ceramide AP is a skin-identical lipid used in modern UK skincare to help strengthen the skin’s natural barrier and lock in moisture. It is one of the three most important ceramides found in healthy skin and is prized in moisturisers, serums and creams for dry or sensitive skin.
How it works in skincare
In cosmetics Ceramide AP works by mimicking the ceramides naturally present in the stratum corneum, slotting neatly into the lipid matrix between skin cells. This helps rebuild the protective barrier, reducing transepidermal water loss and shielding the skin from environmental aggressors. Formulators often pair it with cholesterol and fatty acids to recreate the ideal 3:1:1 ratio found in youthful skin, delivering a smoother, more resilient complexion without greasiness.
Key benefits
- Reinforces the skin’s moisture barrier
- Helps reduce dryness and flaking
- Improves skin softness and smoothness
- Supports long-term hydration
- Calms the appearance of redness in sensitive skin
- Enhances the effectiveness of other active ingredients
Best for
dry skin, sensitive skin, mature skin, dehydrated skin, compromised skin barrier
Where it comes from
Ceramide AP is produced via bio-fermentation of plant-derived lipids, typically from sources such as wheat, rice bran or yeast. While naturally occurring in the skin, the cosmetic grade is made in a controlled laboratory environment to ensure purity and stability.