🟦 Key Points :  What are NP ceramides? NP ceramides are lipids present in the outer layer of the skin. They connect the cells and reinforce the lipid matrix. This structure reduces water loss and protects against external aggressions. They are very close to the ceramides naturally produced by the skin, which promotes their absorption. … Lire la suite de Ceramides NP: gentle support for the skin barrier and skin vitality