10 Silent Signs of a Vitamin C Deficiency You’re Probably Ignoring

Dry, red, or wrinkled skin Collagen keeps your skin supple and free from wrinkles, so it's no surprise that a lack of vitamin C is associated with wrinkled skin—or that adequate amounts of vitamin C can keep your skin looking young. As an antioxidant, vitamin C reduces damage caused to the skin by UV light exposure, reducing your risk of sunburn.