Bioderma Hydrabio Serum, 40 ml, Skin Serums for Women, The Bioderma Hydrabio Sérum face serum is a product full of active ingredients, meaning it provides absolutely luxurious care for your skin. Characteristics: hydrates and nourishes effectively regenerates the skin and prevents irritation restores freshness and youthful beauty to your skin restores skin elasticity improves skin density Ingredients: the product is hypoallergenic How to use: Dab an appropriate amount of the serum gently into clean skin with your fingertips. Apply to the face, neck and chest.