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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Hyaluronic acid

Hyaluronic acid is a natural component of the dermis which acts as a sponge by absorbing and trapping water. Its quantity and quality decrease with age. Several cosmetics contain hyaluronic acid as do the majority of wrinkle filling products.

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