Finding the best vitamin C serum for your skin type can be incredibly helpful—and challenging. That’s because vitamin C (a.k.a. L-ascorbic acid) is one of those does-it-all ingredients, with benefits ...

The serum has 23% vitamin C, which is one of the highest concentrations on this list. It’s also rich in vitamin E and ...

The demand for, and use of, the best hair, skin, and nail vitamins (a.k.a. HSNs) has skyrocketed in recent years, according ...