Are teeth whitening pens worth the hype? Let’s break it down.
In the battle for a whiter smile, the teeth-whitening pen is growing in popularity. These are over-the-counter products that look like a ballpoint pen or lipstick. They’re also sometimes called brush-on whiteners. Like other at-home whitening products, whitening pens typically contain bleaching gels like carbamide peroxide, hydrogen peroxide, or other peroxide compounds. The peroxide in […]