Kashi 121

Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments, 0.08 Fl Oz Whiten teeth while you sleep. In as little as a week (two weeks of treatment is recommended for best results), these Optic White teeth whitening pens whiten your teeth up to two shades and have 15X more whitening power in 1 treatment versus brushing alone, unlike other tooth whitening pens. The w...