SkinMedica HA5 Rejuvenating Hydrator Face Serum Skin Care 2Oz Provides immediate smoothing in the appearance of fine lines and wrinkles, and supports the skin's natural ability to retain moisture resulting in radiant, rejuvenated tone and texture. Appropriate for all skin types. Store at room temperature 15° - 30°C (59° - 86°F). 【Key Benefits of HA5】 HA5 delivers both immediate and long-term benefits Instantly smoothes the appearance of fine lines and wrinkles Immediate hydration Improves the appearance of skin texture and roughness 【HA(5) Rejuvenating Hydrator 】 Exponentially Smooth With age, our body’s natural hydrator, hyaluronic acid, diminishes, and skin loses its ability to hydrate itself. HA(5) supports overall skin health. HA(5) has a proprietary mix of five HA forms that smooth the skin, thereby decreasing the appearance of fine lines and wrinkles.