Declaré Night Essential Serum 50ml is an anti-aging product with a hyaluronic acid-based formula that helps to hydrate the skin while plumping it to reduce wrinkles and expression lines. This serum is ideal for minimizing blemishes and redness, as well as protecting and prolonging the life of skin cells. Who is it for? Suitable for all skin types, even sensitive skin. Instructions for use Absorb the product using the dropper and apply at night to clean skin on the face and neck, massaging until absorbed. Pharmaceutical Recommendation Apply after facial cleansing. Once applied, you can apply the face cream. Composition SRC™ complex, hyaluronic acid, biophytex.