Professional formula. Alcohol-free. With Cinfully Fresh Formula Booster. The whiter teeth and healthier gums formula. All natural! Enhances the effect of any whitening treatment with the power of activated OXYD-8. 24 Hour confidence. Oxygen power for whiter teeth and healthier gums. TheraBrite Plus effectively whitens your teeth without harming delicate tooth enamel surfaces! OXYD-8 Penetrates deeply into the enamel layer to remove stains. Extra strength formula blasts away stains with the power of oxygen! Dr. Katz has dedicated years of research to finding the most effective treatments for optimum oral health. His work has found that the power of natural oxygen is more effective than many of the harsher chemical ingredients used in many popular oral care products. Dr. Katz also discovered that the best way to whiten teeth and eradicate bad odors was not with alcohol or peroxides, but with the power of oxygen. OXYD-8 is an exclusive, powerful oxygenating agent that is very effective and safe to use.