Biologique Recherche Serum Colostrum VG, 1 oz. Fundamental Hydration Serum Recommended for dehydrated and undernourished skin. What it is: Colostrum VG serum is an intensive lipidrestoring treatment that will act as a liquid cushion to help strengthen the skin barrier. Its core formula gives it incomparable nourishing properties, helping to reduce surface dryness and maintain deep hydration in the skin. What it does: The water content of the epidermis is restored, promoting the reconstitution of the absent or deteriorated lipidic protective film. The skin regains lasting suppleness and comfort. Dehydrated skin is skin lacking water while undernourished skin is characterized by actual dryness, which is a chronic condition generally due to a genetic disorder. In this case, water intake is not sufficient; lipids, i.e. fat, are also needed. How to Use: Apply few drops in the morning and/or evening over the face, neck and décolleté. Perform light ascending massage until complete absorption of the product. 1 oz. External use only. Please refer to the product packaging for the most uptodate ingredient list.