Summarywith 3 syringes per packZero Sensitivity FormulaNO Trays IncludedPhilips Zoom DayWhite 14% Teeth Whitening Kit Gel 3 syringes Description:NO Trays IncludedNiteWhite ACP Whitening gel is the leading whitening gel that combines patented Calcium Phosphate technology with the proven effectiveness of Potassium Nitrate. This naturally fills microscopic defects in the tooth's surface, smooths the enamel and increase surface gloss. Creating a beautiful NiteWhite smile. NiteWhite leads other whitening gels with its innovative line of effective, high viscosity, very-low sensitivity tooth whitening gels formulated exclusively for use in a patented dual barrel syringe.  The advanced dual barrel syringe features two chambers -- one isolates a powerful and stabilized Carbamide Peroxide plus Hydrogen Peroxide formula; the second chamber contains an activation gel with soothers, conditioners and desensitizers added. The gel is administered through an auto-mixing nozzle, precisely at the time of use for peak performance and maximum tooth whitening results, nothing works faster or better NiteWhite whitening gels will give you that sparkling smile you've always wanted. Highlights:NiteWhite ACP whitening gels now comes with 6 syringes per pack.Whitener is available in 14% Carbamide PeroxideAll percentages have a great tasting mild mint flavorPLEASE NOTE: 16% Bleach should only be used for a maximum of 1 hour per day, NOT overnight. Tooth sensitivity is a common side effect of teeth whiteningNiteWhite ACP (amorphous calcium phosphate) features maximum sensitivity relief formula - Try it today All bleaching gel is stored in a climate controlled environment to ensure maximum results and longevity NEW Sleek Syringe Design, helps control each application of whitening gel.