I really like this powdered niacinamide, but it does take a little practice and experimenting to get the application down pat. You have to mix it in with something that’s water based, and I’ve been using The Ordinary Agireline Solution 10% for a long time and the two of them work wonderfully together. It’s definitely helped with light congestion, brightening, and evening. I’m down with the process of mixing, but I understand why others wouldn’t be, but I found this powder to be way more effective than their liquid