Greatest Kılavuzu NIACINAMIDE SERUM için
“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%.”In addition to effective levels of niacinamide, this serum contains plumping hyaluronic acid and age repair defensins, "whic