COLLECTION: Hydrance / A real hydration booster for the face, this serum acts for 48 hours* and restores balance to dehydrated and sensitive skin. Its formula, enriched with hyaluronic acid and vitamin B3, is made up of 96% natural ingredients. Its ultra-light and fresh gel-water texture penetrates easily with the fingertips, leaving a watery, non-greasy and non-sticky sensation on the skin. Hydrance Boost serum boosts skin's moisture levels for smooth, luminous and healthy-looking skin. Skin regains comfort, softness and suppleness. *Instrumental test. 33 subjects, single application Directions for use Apply a few drops of Hydrance Boost Moisturising Serum Concentrate to the fingertips, spread over the face and neck and spread with the fingertips.