Cetaphil deep hydration 48 hour activation serum absorbs by deeply replenishing skin’s hydration for 48 hours and improving the overall quality of sensitive skin. Our cetaphil deep hydration collection features our latest hydration technology, the hydrosensitiv complex an innovative blend of active moisturizers and blue daisy, a natural skin soothing botanical to boost skin’s overall water content and seal moisture within. This nourishing serum also contains hyaluronic acid, sunflower seed oil, vitamin b5 and antioxidant rich vitamin e to rehydrate and restore skin’s appearance while soothing dry.