HYDRO BOOST ULTRA HA SERUM. Benefits: Daily facial serum delivers deep, weightless hydration & reveals softer, glowing skin. Gentle hydrating face serum is an ideal choice to moisturize dry, sensitive, & acne-prone skin. Clinically proven to provide 72-hour hydration to instantly improve the look & feel of dry skin. After 2 weeks, dry skin feels revitalized & replenished; after 4 weeks, skin feels more resilient. Key Ingredients: With hyaluronic acid, a dermatologist-recommended hydrator, to hold moisture within skin's surface. Facial serum with Natural Moisturizing Factors helps attract water & restore skin's moisture balance. Formulated Without: Fragrance. Parabens. Phthalates.