Vitamins which are important for skin include Vitamin C, Vitamin E, vitamin D and Vitamin B and B complex. Vitamin E helps to keep the skin elastic and hydrated, and it defends against free radicals. Vitamin A and Vitamin D promotes healthy skin cell production and helps to reduce wrinkles and aids in preserving the skin's protective barrier. Vitamin C is rich in antioxidant content, it may help reduce one's risk of developing skin cancer. If your vitamin C levels are low, you may have delayed wound healing, more frequent bruising, and bleeding gums.