I drink coffee every day, and at some point, I noticed my teeth became noticeably darker. The brighter my makeup became, the more yellowish my teeth appeared, which bothered me. Since major procedures seemed burdensome, I decided to try teeth whitening first, and the process was simpler than I expected. When I looked in the mirror after the procedure, my teeth didn't become bright white like paper, but overall, the dull color definitely became clearer and brighter. My lipstick color is also expressed more cleanly than before, and my face looks brighter overall. I felt this was a great treatment to improve my appearance in a short amount of time.