Description Hydra-Cool Serum is designed to hydrate, rejuvenate, and visibly calm the skin. This refreshing, potent serum blends powerful antioxidants with essential botanicals and bionutrients to support overall skin health. Suitable for all skin types and ages, it is gentle enough for even the most sensitive skin. How To Use Apply a small amount to the palm of your hand. Using your fingertips, gently dab and smooth evenly over the face and neck. The serum can be used on its own or layered with other iS Clinical products. Key Ingredients Centella Asiatica Powerful antioxidant with healing properties that helps diminish the appearance of premature aging. Hyaluronic Acid One of nature's most powerful hydrators. Polyporus Umbellatus (Mushroom) Extract (source of Kojic Acid) Natural antimicrobial that assists in brightening the overall complexion. Vitamin B Essential nutrient for cell metabolism that promotes the look of healthy skin.