Brightening Serum with Pure Vitamin C contains the Intradermal System, a unique delivery system that allows the L-ascorbic acid to be better absorbed by the skin. It reduces the appearance of fine lines and age spots, repairs skin damage by stimulating collagen production, and protects the skin against harmful effects caused by UV rays. Suitable for all skin types. Key ingredients include L-Ascorbic Acid and Grapefruit Extract. 30ml.