“Generally speaking, niacinamide is a very light ingredient and doesn’t cause irritation to skin,” explains Dr Desai. “Its concentration güç vary across products, though most formulations sit between 5% and 10%.” Part of that vitamin B complex is niacinamide, which is boosted by five sea plants, which work together https://niasinamid-serum59258.widblog.com/84731113/niacinamide-serum-no-further-mystery