Super Collagen Plus Vitamin C for a health glowing skin, long healthy hair and strong nails helps maintain strength and flexibility throughout the body. Collagen works with other substances, such as hyaluronic acid and elastin, to maintain skin elasticity, volume, and moisture. It also helps make up proteins such as keratin that form skin, hair, and nails. Collagen is an important nutrient necessary to ensure the health and vitality of skin, hair, nails, cartilage, bones and joints.