Ceramide NP, AP and EOP: Reading the Barrier-Lipid Alphabet
The Clinical Hook Ceramide NP is the first letter of an alphabet most skincare labels never teach you to read. A cream lists “ceramide NP, ceramide AP, ceramide EOP” and the reader is expected to nod — three ceramides, therefore a better barrier. But these three molecules are not interchangeable, and they are not three
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