“Generally speaking, niacinamide is a very light ingredient and doesn’t cause irritation to skin,” explains Dr Desai. “Its concentration dirilik 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://ciltnemlendiricisi53074.sharebyblog.com/29650612/en-son-beş-niacinamide-serum-kentsel-haber