ClarityRx Daily Dose of Water Hyaluronic Acid Hydrating Serum (1 fl. oz.) A deeply moisturizing face serum for radiant skin ClarityRx Daily Dose of Water Hyaluronic Acid Hydrating Serum is a moisturizing lightweight serum that helps provide hydration to skin. Formulated with hyaluronic acid, which can hold up to many times its weight in water, the fast-absorbing formula instantly moisture to the skin. By providing moisture to your skin, your complexion feels soft, supple and appears younger-looking. Recharge your skin's natural glow with this Daily Dose of Water Hyaluronic Acid Hydrating Serum from ClarityRx which works great with all skin types. Hyaluronic acid, a moisturizing ingredient that can hold up to 1,000 times its weight in water, keeps your skin hydrated throughout the day. This face serum is paraben-free.