Day Night Emulsion br Active Stable Vitamin C Properties: La Roche-Posay Laboratoire Pharmaceutique has developed, thanks to a high technology process, Active C, a formula based on active stable vitamin C. This vitamin C, in the form of L-ascorbic acid, is the only form immediately active on skin. Its properties are remarkable on signs of skin aging. From the first few days of treatment, you can notice Active C s effect on the skin. Its formulation enriched with vitamin C and La Roche-Posay thermal water, rich in trace elements, protects against oxidation, an important skin aging factor.
