The brand claims your teeth will whiten by four to six shades. You'll want to snag this three-pack before the coupon ...

The gel’s violet pigment neutralizes yellow ... Check out these 5-star reviews from folks who love their teeth-whitening pens. “I love these purple teeth whitening pens! They Really Work!

This 5.28-inch gel pen replicates a lightsaber, “a more civilized weapon for a more civilized time.” It’s also the writing ...

To use, simply twist the pen to release the gel onto the brush, then apply a thin layer of the whitening gel directly onto your teeth. Wait for a brief 10-minute period before rinsing with water, ...

Twist the pen to dispense the gel onto the brush, then apply a thin layer of the whitening gel directly onto your teeth. After a brief 10-minute wait, rinse with water, and voilà — a noticeably ...