While TruSkin Vitamin C Facial Serum ( $49 $20) is already deeply discounted on Amazon today, Page Six readers can save even ...
Kelly spills her updated morning skincare routine, perfect for your 30s, 40s, 50s, and beyond. Featuring Obagi C-System faves (hello, vitamin C serum!) and pro tips for hydrated, radiant skin, she ...
According to our experts, the vitamin C type will also determine its effectiveness. Pure vitamin C, known as L ascorbic acid, ...