Vitamin C is a powerful antioxidant that protects the skin from environmental damage and sun damage. It is considered to be an essential nutrient as the body is unable to manufacture it itself and yet it plays a vital role in a vast array of biological processes It also prevents premature aging and wrinkles caused by UV rays. Vitamin C also helps brighten the skin, reduces fine lines and wrinkles, and increase firmness and elasticity. When used in combination with an SPF, it can boost its effectiveness and better protect your skin from the sun.