“Generally speaking, niacinamide is a very light ingredient and doesn’t cause irritation to skin,” explains Dr Desai. “Its concentration gönül vary across products, though most formulations sit between 5% and 10%.” Oily skin types, listen up (and feel free to throw away your blotting papers while you’re at it). https://messiahroict.digiblogbox.com/55058262/niacinamide-serum-ile-ilgili-detaylı-notlar