The Auraglow 16% carbamide peroxide peroxide gel is the perfect choice for overnight teeth whitening or daily whitening. Remove years of stains from coffee, wine, soda, smoking and more. To use the overnight whitening gel, simply dispense the gel into your custom dental trays and wear overnight. The teeth whitening gel is safe for enamel and sensitivity free, so you can sleep while you whiten. The overnight whitening gel also contains potassium nitrate to help reduce any sensitivity. This overnight gel includes 3 gel syringes with 30 treatments. Our 16% whitening gel is made in the USA with high quality whitening ingredients. Our gels are trusted by dental professionals, and used in various practices throughout the country for at-home and chairside whitening.