Our astaxanthin Face serum contains sea buckthorn fruit extract, astaxanthin, and niacinamide. It can lighten the dullness and give skin a natural glow. The way to use it is simple: 1. Clean facial skin. 2. Apply appropriate amount of the product evenly on the face. 3. Tap your face to promote absorption. Deep moisturize skin, keep skin soft and moist. The texture is light, smooth to apply, absorbs quickly, and does not leave a sticky feeling.