Our keratin 3-day nail care solution contains keratin, tocopherol (vitamin E), and coconut oil. It protects nails from environmental damage and slows aging. Soothe and calm, repair damage, speed nail recovery, and rejuvenate nails. Its use is simple: 1. Clean and dry the nails and surrounding skin; 2. Apply an appropriate amount of nail polish to your nails. 3. Gently massage until fully absorbed. It can form an invisible protective layer, effectively resist daily friction and erosion, and reduce scratches on the surface of the nail.