barrier repair

Ceramides

세라마이드 · 神經醯胺

Also known as: Ceramide NP, Ceramide AP

What it actually does

Fat-like building blocks that live in your skin naturally — topping them up helps lock in moisture and keep irritation out.

Look for it in your moisturiser or cream — apply as the last hydrating step, AM and PM.

The science, in plain English

Lipids that make up ~50% of the outer skin barrier. Replenishing them helps reduce water loss and reactivity.

Myth vs reality

More ceramides is not automatically better — the 3:1:1 ratio with cholesterol and fatty acids matters more.

Pairs well with

Don't layer with