Niacinamide is no Botox, but it can still work wonders on your skin. The vitamin B3 derivative helps to calm redness, soothe acne-prone irritation, and even build up skin so it's stronger and more ...

Product build-up is another common cause. “Styling products, dry shampoos and even natural oils can clog the scalp and lead to flaking or itching. If your skin is sensitive or you’re prone to ...