Sérum T.E.W.L.Srum T. E. W. L. is a serum with a high concentration of the protective and repairing precious oils: Seed oil, raspberry seed oil and with Omega 3 and 6. A genuine epidermal shield, its formula reinforces the hydrolipidic film, repairs and protects the epidermis, thereby maintaining optimal hydration. In extreme temperatures and low humidity conditions, Srum T. E. W. L should be combined with Creme Dermo RL. HOW TO USE Use two to three times a week