The primary difference between The 2 Colgate kits, so far as I am able to convey to, would be that the Optic White package includes smaller, solitary-use squeeze tubes, While the SuperNova includes a whitening pen. The method is identical, however: Squeeze whitening gel into the tray and bite down. https://simonqmfxl.blogprodesign.com/39489548/fascination-about-teeth-whitening