esmi SKIN MINERALS delivers skin treat food for your skin. This hydrating serum, like a big drink of water, utilizes triple-action hyaluronic acid. It noticeably increases hydration while replenishing skin cell's water content. This hydrating serum isn't a moisturizer; use it to attract water to the deeper layers, rehydrating from the inside out. Use a moisturizer or face oil on top to lock in moisture. The serum contains niacinamide (Vitamin B3) for skin repair and restoration.