You’ve Heard of Niacinamide, but What Is It Exactly?
Niacinamide works in two ways. First, it increases the production of collagen, a protein that is part of the basic structure of the skin. Second,
Tag: niacinamide
Niacinamide works in two ways. First, it increases the production of collagen, a protein that is part of the basic structure of the skin. Second,