GLO Lit: The GLO Lit Teeth Whitening Device combines professional elements of Guided Light Optics® technology with warming heat and light to accelerate our safe hydrogen peroxide whitening gel formulation for faster, easier, and more effective whitening – without sensitivity. It’s clinically proven to get your smile 5 shades whiter with the power of G.L.O. ® technology. Eco Balance: The award-winning ECO Balance is the easiest way to enhance your oral hygiene routine and give you that 'just left the dentist' clean feeling from home. This antibiotic and alcohol-free formula neutralizes pH balance in the mouth and effectively reverses early-stage periodontal disease and gingivitis.