Our body naturally produces Hyaluronic Acid. This molecule highly participate to keep our skin firm, plump and constantly hydrated. However, its production and consequently, the amount of collagen, decreases with age.54
The breakdown of collagen makes our skin lose a lot of its elasticity and support over time, contributing to the appearance to folds and wrinkles in dynamic areas of the face. Fat deposits in the face begin to diminish, creating hollowness under the skin. As these issues worsen with age, sagging and drooping skin become obvious, which is responsible for the appearance of marionette lines.50
Because of its excellent water retaining abilities, products containing HA as an active ingredient increase volume in the dynamic area around marionette lines to diminish their appearance and also help hydrate our skin.76