Our teeth whitening pens contain mica powder, oxidizing bowl, hydrogenated polyisobutylene, etc. It whitens teeth, freshens breath, and adds vibrant color and sparkle to your smile. The method of use is very simple: clean and dry the teeth, take an appropriate amount of liquid, evenly apply to the surface of the teeth, and wait about 30 seconds for the liquid to dry. Instantly whiten teeth for a perfect shine. Ready for every close-up to add vibrancy, color and sparkle to your smile. A pearl-gloss formula that covers your teeth for an immediate whitening effect.