Ingredients such as vitamins C and E can, to some extent, help skin defend itself against sun damage and boost the longevity of sunscreen actives, but by themselves they are not capable of providing sun protection on a par with what is required to earn an SPF rating.For more information about Chantecaille, call 877-673-7080 or visit www.chantecaille.com. 585631-IIS3 v1.0.0.392 5/4/2015 5:09:27 PM