Our astaxanthin ampoule serum contains astaxanthin, hyaluronic acid, ascorbic acid (vitamin C). It can effectively reduce deep facial wrinkles and expression lines, improve skin elasticity and firmness, and improve loose facial contours. The way to use it is simple: 1. Clean your face and keep it dry. 2. Open a bottle of this product and apply evenly to your face. 3. Massage gently in circular motions to promote absorption. Rich in a variety of nutrients, deeply nourish skin, restore skin vitality. Provides long-term moisture, keeps skin hydrated and resists dryness.