“Generally speaking, niacinamide is a very light ingredient and doesn’t cause irritation to skin,” explains Dr Desai. “Its concentration can vary across products, though most formulations sit between 5% and 10%.” Dori worked alongside Danusia Wnek, who shared her expertise on niacinamide and ferde product picks both from the https://lukasbzrly.blog-eye.com/29852697/ne-demek