Vitamin C vs Niacinamide: Which Is Best for Post-Acne Marks and Dark Spots?
Skin Mentor Sandra Knight reveals why post-acne marks and dark spots linger on darker skin tones – and the two powerhouse ingredients that can finally fade them for good You cleared the spot. You did everything right. Yet weeks, sometimes months, later, the dark mark it left behind is still there, stubbornly refusing to fade….