“Think of serums as extra treatments that address individual skin concerns outside of regular cleansing, toning and moisturising,” says Dr Desai. “Your niacinamide serum should be applied after toning but before moisturising,” she recommends. Part of that vitamin B complex is niacinamide, which is boosted by five sea plants, https://pirin-maskesi03444.is-blog.com/36081025/niacinamide-serum-hakkında-gerçekler-açığa