This moisturizing and revitalizing bio-serum soothes stressed skin and prepares it for more intensive treatment. It is recommended for all skin types, even reactive skin and/or seborrheic skin and is ideal for young skin. Direction for use: take 1/2 cc of Sérum Extrait Tissulaire. Apply the product to clean skin over the entire face, neck and décolleté, lightly massaging it upwards until the product has been entirely absorbed.