Esthederm Masque Intensif Hyaluronic is a mask which combines three different types of hyaluronic acid to intensively hydrate and stimulate the natural production of hyaluronic acid. It fills the lines and wrinkles by hydrating the superficial layers. Hyaluronic is a patented formula, which is capable of penetrating even the deepest layers of the skin to re-structure and re-plump skin tissues by saturating them with water. How to use: Apply a thick layer on face and neck two or three times a week. Leave on for 15 to 20 minutes and rinse off. The product can be applied as an overnight mask. Alternating with usual products or as follow-up to aesthetic treatments.