Vitamin C is a potent antioxidant that can neutralize free radicals. Because of its antioxidant properties, vitamin C helps the body to repair damaged skin cells
As consuming antioxidant-rich foods aids the body in fighting off free radicals, topical antioxidants do the same for your skin by helping to offset daily aggressors like UV damage and exposure to air pollution.
Collagen and elastin are both naturally occurring protein fibers that help keep skin plump and firm. So, in helping to promote collagen production, topical vitamin C can help prevent premature aging of the skin.