Night Therapy Antioxidant Serum is an age-defying formulation for the skin that works while you sleep. It is a concentrated serum formulated with AcquaCell and Innumax Retinol (a less irritating form of Retinol) that works to hydrate the skin; visibly reduce uneven skin tone, fine lines and wrinkles and improve firmness and elasticity, giving the skin a more youthful appearance.