Cattier's SOS Hydrating Serum for face, neck, and décolleté boosts daily hydration and ensures long-lasting moisture. It's a true hydrating rescue treatment to prepare your skin before applying day or night cream. Main active ingredients: - Organic vegetable juice : naturally rich in hydrating sugars, it helps maintain optimal skin hydration. Made with organic apricot extract and rehydrated organic aloe vera juice. Aloe has moisturizing properties, softens, and protects the skin. - Hyaluronic acid : A powerful, immediate-action hydrating active ingredient, it is one of the main constituents of the dermis and epidermis. Hyaluronic acid, 100% natural and of low molecular weight, helps retain water in the skin and maintain optimal hydration levels. - Fucocert : Of natural origin, this polysaccharide contains L-fucose, D-galactose, and galacturonic acid. These sugars play a vital role in cellular communication, improving medium- and long-term hydration. Results : Immediately hydrated skin: 90% 1 The skin's natural hydration is preserved: 80% 1 Long-lasting hydration: 90% 1 *1 Usage test performed on 20 volunteers for 21 days. On clean, dry skin, apply to the face, neck, and décolleté before your day and/or night cream. Store in a cool, dry place, protected from sunlight. Once the package is opened, it is recommended to use it within the next 6 months.