En Kuralları Of NIACINAMIDE SERUM
“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.Dori worked alongside Danusia Wnek, who shared her expertise on niacinamide and ferde product picks