My La Roche-Posay space

Login

Or use your Facebook account to sign up or connect

You don't have a La Roche-Posay space yet?

Remind me my password
Drop your email below to receive a reminder of your password

My Email

A better life for sensitive skin.
Home > GLOSSARY

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.

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.