In this Article Are you in the know about Vitamin B3?  What is niacinamide? The Benefits of Vitamin B3 Where can I find niacinamide, and how do I use it? Are you in the know about Vitamin B3?  Once an under-the-radar additive in skincare formulas, this soon-to-be A-list ingredient has been trending in recent years, and with good reason. Niacinamide is an incredibly versatile ingredient for addressing a variety of skin conditions and concerns. Not sure if niacinamide is for you? Not to worry. We've compiled all the answers to your common