You apply niacinamide daily but these 3 mistakes waste 40% of its power
You’ve been applying The Ordinary Niacinamide twice daily for weeks. Following every skincare influencer’s advice religiously. Yet your pores still look prominent and breakouts persist. Here’s the revelation dermatologists don’t want you to miss: three routine mistakes are blocking 40% of your $6 serum’s brightening power. The pH science behind niacinamide absorption isn’t complicated, but … Lire plus









