An extremely lightweight serum that rejuvenates facial contours day after day| The skin damage that goes hand in hand with aging is compensated by the lightweight MATIS Paris Réponse Densité Densifiance Serum. The serum has a very delicate texture and increases the production of collagen and elastin thanks to Densiderm plant technology. It redefines facial contours, helps to reduce wrinkles, and visibly rejuvenates the skin day after day.