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 ...

Now, first I need to tell you about niacinamide ... serum and sunscreen; in the evening, that’s a BHA toner and vitamin A cream. The other incredible thing is that it’s often on offer for less ...