“Generally speaking, niacinamide is a very light ingredient and doesn’t cause irritation to skin,” explains Dr Desai. “Its concentration yaşama vary across products, though most formulations sit between 5% and 10%.” “Niacinamide is a form of vitamin B3 and a very powerful antioxidant,” says board-certified dermatologist Margarita Lolis. “It https://akne-kar-t-rutin05791.blogpayz.com/29814765/değil-hakkında-gerçekler-bilinen-niacinamide-serum