Whiten your teeth on the go with White Glo's Whitening Pen. Touch up your teeth at any time for visibly whiter results and prevent stains from forming with White Glo's Stain Protection technology. White Glo's Whitening Pen can whiten your teeth at any time, no matter where you are. This pen features 3 proven whitening ingredients for enamel safe and sensitive free teeth whitening. Formulated with Peroxide, PAP, and Natural Enzymes by Australian Cosmetic Dentists, the Whitening Pen is to be applied directly onto your teeth to give instant results. White Glo's Stain Prevention technology prevents stains from foods, coffe and wine from forming to help keep your teeth whiter for longer.