An advanced Vitamin C serum that helps firm the look of sagging skin, improve skin tone and decrease the appearance of fine lines and wrinkles. This gel formula utilizes a high concentration of two distinct types of Vitamin C that work synergistically to provide long-lasting benefits. 1.0 fl oz/30ml 3LAB Women's Perfect C Treatment Serum A great designer gift. Shop 3LAB at Barneys New York.