The Ordinary Niacinamide 10% + Zinc 1% is an effective, affordable serum with a surprisingly high concentration of actives for such an inexpensive product — seriously, it's less than $6.

That's when I discovered one ingredient that could do it all: niacinamide. My go-to product that contains this miracle ingredient is The Ordinary's Niacinamide 10% + Zinc 1% serum, which happens ...

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.