We explain the benefits of vitamin B5 and why it can boost your skin hydration in a hyaluronic acid serum. ... More from Skin Care. Beauty Studio. This £16 Korean Sunscreen Is So Good, ...

Vitamin C is an unstable molecule and it can easily break down into a different molecule that doesn’t help the skin, Dr. Bowe said. For example, L-ascorbic acid, a form of vitamin C found in ...