Our glutathione face serum contains glutathione, niacinamide, and hyaluronic acid. It can effectively lighten the skin and make the skin glow. Reduce dark spots and pigmentation, even out skin tone, and improve uneven skin tone. Its application method is simple: 1. Thoroughly clean and dry the skin; 2. Apply appropriate amount of the product evenly on the face; 3. Massage gently to promote full absorption. Antioxidant ingredients reduce fine lines and wrinkles and keep skin looking young.