GLO Science Professional offers a game-changing, dual teeth whitening experience available exclusively for your practice. Get your patient’s teeth white, fast with one 32 minute in-office whitening session – with no sensitivity!GLO Science Professional revolutionizes in-office teeth whitening. The patented Guided Light Optics (G.L.O.) innovation combines heat-plus-light in a closed system mouthpiece, activating the professional strength GLO Whitening Gel and preventing whitening oxygens from escaping the mouth for faster, more efficient, long lasting whitening results.