Vitamin C contributes to collagen formation which helps skin function normally and supports the normal function of blood capillaries. Vitamin C is also an antioxidant, so it helps to protect your cells from oxidative stress caused by free radicals.
Jenn's Nerdie Bit
Are you human? Then you need vitamin C, as we do not create it naturally (neither do guinea pigs, on that note).
Vitamin C is key for pigmentation, boosting the body’s production of collagen and strengthening capillary walls.