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.
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.