While Vitamin C has a strong reputation for building up the immune system, it also has properties that have made it an increasingly popular ingredient in cosmetic skin care products. In 1992, Dr. Sheldon Pinnell of Duke University conducted a study that proved the vitamin-C form of L-ascorbic acid reduced sun damage. These findings resulted […]

Have you ever noticed serums containing Vitamin C can vary in color, texture and odor? Do you ever wonder how to tell if the serum you purchased is fresh and at its full potency? Occasionally our customer service team receives questions about the color or smell of Vitamin C serums like SkinCeuticals CE Ferulic, Phloretin […]