Nano vitamin C. Stable form of Vitamin C. Excellent antioxidant. Topical Vitamin C can protect the skin from UV damage caused by prolonged sun exposure by reducing the amount of free radical formation. Can help safeguard against skin damage and reduce discoloration. Vitamin C helps the skin repair and renew. Another benefit of Vitamin C is its ability to enhance the synthesis of collagen: a critically important skin protein that strengthens structural support and resilience of the skin.