Caudalie's Vinosource Hydra Sérum Reidratante captures water intensely and diffuses it continuously throughout the day. Restores the water balance of the epidermis so that the skin is full of water and calm, supple and soft. This serum is suitable for all dehydrated skin. Its oil-free formula is non-greasy and non-comedogenic, making it ideal for all skin types, including combination skin. Hyaluronic acid exists in different forms: low, medium and high molecular weight. The one with a very low molecular weight, like the one in the SOS Hyaluronic Serum formula, penetrates the skin to continuously hydrate and smooth the first lines of expression. Hyaluronic Acid : Produced through biotechnology, it continuously smoothes and hydrates the skin's surface. Organic grape water : Hydrates and soothes the skin and has antioxidant and prebiotic properties. Helps support the skin microbiota for visibly healthier skin. Polyphenols – Extracted from French grape seeds, they are antioxidants and block free radicals. It is recommended to apply the SOS Hyaluronic Serum morning and night, on the face and neck, before the cream. Store in a cool, dry place.