The essential and universal Ecological Compound advanced formula adapts to suit the needs of all skin types to help it function more optimally. A pioneering formula at Sisley, enhanced with two additional key ingredients (Burdock and Meadowsweet extracts), which retains its original complex of 5 plant extracts (Centella asiatica, Ginseng, Hops, Horsetail, Rosemary) in a renewed version Formulated to have a pH as close as possible to that of the skin. Ecological Compound advanced formula: Promotes a balanced microbiome and stimulates the skin's natural defense mechanisms. The skin feels more resistant and better equipped to defend itself against the harmful effects of the environment (pollution, smoke, free radicals, etc.). Contributes to the optimal activity of the skin's vital functions. The skin looks revitalized and its tone and radiance appear restored. Lastingly hydrates and nourishes the skin to leave it feeling more comfortable and supple. Balanced, visibly strengthened and revitalized, the skin feels more resilient and its quality appears improved. The universal Ecological Compound advanced formula is suitable for men and women of all ages, whatever their skin type. Its fluid, comfortable and non-greasy "second-skin" texture leaves the skin matte. It can be applied alone or before any other skincare product to optimize the rest of the routine.