When you're shopping for skincare, you want to make sure the products you're buying feature ingredients that really do the work for your skin. If they don't, then what's the point of spending your money (or sometimes splurging) on them? That's why it's so important to arm yourself with knowledge about common skincare ingredients so you know which ones will work best for your specific skin type and concerns. Of course, a dermatologist might be your best source for figuring all of this out, but you can do your own research too.

One powerhouse ingredient that you might have heard of before is niacinamide. It's starting to gain traction much like hyaluronic acid , which has been a popular skincare buzzword for years. But what is the ingredient, and why is it so beneficial? Well, I asked a

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