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GLOSSARY : Signs of age, wrinkles, firmness

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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Cell renewal

Cell renewal designates the process of shedding dead cells in the form of invisible flakes. The normal cycle is 21 days for skin cells and 14 days for scalp cells. If this accelerates, it results in hyper-desquamation. The flakes then become visible.

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