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GLOSSARY : Signs of age, wrinkles, firmness

Your face skin

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.

Firmness

Firmness is one of the criteria of youthful skin. It is maintained by the dermis, which acts as a mattress for the skin, and by its collagen and elastin fibers. When young, the skin is firm and toned. With age, the dermal cells deteriorate and the fibers become slack. As a result, the skin loses its firmness.


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