Can Vitamin C Serum Hydrate the Skin? Vitamin C is often praised for its brightening and anti-aging benefits, but when it comes to hydration , there’s a bit of confusion. Can it hydrate the skin? Or is that just a skincare myth? Let’s break it down and separate fact from fiction. Myth: Vitamin C Serum Alone Deeply Hydrates the Skin Fact : Vitamin C itself is not a humectant (a substance that draws moisture into the skin). So on its own, it's not a direct hydrator like hyaluronic acid or glycerin . However, many modern Vitamin C serums are formulated with hydrating ingredients, which is where the myth likely began. So, Can Vitamin C Help With Hydration? Yes—When Formulated Right When combined with moisturizing agents like: Hyaluronic Acid Glycerin Aloe Vera Vitamin C serums can help lock in moisture, soothe the skin, and improve hydration levels. It's the supporting cast in the formula—not Vitamin C itself—that provides the hydrating effect. Vitamin C Strengthens the Skin ...