Let’s all assume you already upgraded your toothbrush, so what’s the next step to whiter teeth? Well, judging by the thousands of Whitestrips have readers have purchased over the years, I might start there. These are the Professional Effects strips which means they’re a little stronger than the typical whitening…
Source: LifeHacker – Whiten Your Teeth In 2018 For A Few Bucks Less Than Usual