the claim The Timeless Vitamic C + E + Ferulic Acid serum claims to even skin tone and help build collagen for a fully nourished, replenished, flawless and ageless look.     the science Vitamin C is essential for healthy skin. It has many healing properties including the ability to decrease sun damage and dehydration plus reduce the appearance of wrinkles and fine lines. As such, it is considered a superstar ingredient in skincare.   Vitamin C comes in several forms. Ascorbic acid (often referred to as L-ascorbic acid) is considered it’s most potent, highly effective at concentrations of 20% and above. Studies have found that using Vitamin C topically…