Did you know that most wrinkles are caused by sun damage? By the time we are 20, we've been exposed to 90% of the sun that will cause wrinkles in our old age. Which means preserving our youth requires not only  prevention but treatment of underlying photo damage as well. The good news is that many common vitamins have the power to rejuvenate and prevent wrinkles. Here's what you need to know about anti aging vitamins.