Brighten dull, uneven-looking skin with COSRX The Vitamin C 13 Serum. This Korean antioxidant treatment contains 13% pure vitamin C to soften the look of dark spots, improve radiance and support collagen against environmental stress. The balanced concentration is suitable for users introducing pure vitamin C gradually.

After cleansing and toner, apply two to three drops to dry skin, avoiding the eyes. Start every other day and increase as tolerated. Follow with moisturizer and use SPF each morning. Store tightly closed in the refrigerator after opening and use promptly.

Key ingredients: 13% pure ascorbic acid (vitamin C), tocotrienol (super vitamin E), hyaluronic acid, allantoin and moisturizing humectants.