What Are Ceramides? The Fats That Keep Skin Looking Calm
Fats that occur naturally between the cells of the outer skin, added to creams to replace what washing and weather remove.
On the label
Ceramide NP, AP, EOP and others, often alongside cholesterol and fatty acids. Usually in creams rather than serums.
What it does not mean
It does not mean heavy or greasy by default, and it is not an active in the tingling sense. It is comfort.