GLOSSARY

Is there a term from the field of dermatology and cosmetics that you do not understand? Would you like to know what it means? View the full definition from the La Roche-Posay glossary.

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Sebum

Sebum is a substance made mainly of lipids, secreted by the sebaceous glands at the base of each hair. In combination with sweat, it protects the skin from drying out and from external stress.

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