My go-to product that contains this miracle ingredient is The Ordinary's Niacinamide 10% + Zinc 1% serum, which happens to cost just $6. What is niacinamide and how does it work? Niacinamide (also ...

Niacinamide is a hero skincare ingredient that ... “Their Nutri-Supplement Scalp Serum is a go-to as it’s a great way to provide hydration to dry hair and, importantly, the scalp.