WHAT IT IS Bleach-free vegan teeth whitening pen to help reveal visibly whiter teeth while protecting tooth enamel. WHAT IT DOES Strengthen your smile without the icky, bad stuff with this portable vegan teeth whitening pen. It provides an instant brightening boost while helping to protect tooth enamel for a visibly whiter appearance even on sensitive teeth. The soft-bristle brush provides quick & easy, no-mess applications as the whitening gel clings to teeth for 360° effects.