SAFE: Studies have proven Zoom will deliver lustrous, smooth and shiny smile whilst being safe for both your teeth and gums. Trusted by over 14 million users worldwide! EFFECTIVE: Achieve up to 8 shades whiter in just 1-2 weeks with a wear time of 4-6hrs/day. Philips unique ACP Relief formula effectively manages and minimises tooth sensitivity. VALUE: Each kit contains 6 x 2.4gram dual barrel whitening gel syringes enough for 18 upper and lower treatments. FLEXIBLE: Customise your experience with a choice of delicious mint gels and day or night wear times Day White (Hydrogen Peroxide) or Nite White (Carbamide Peroxide). GENUINE: Authentic Zoom Whitening. Each 2.4gram syringe has an applicator tip. Expiration dates of up to 1 year when refrigerated between uses. Philips Zoom! NiteWhite provides an easy and convenient way to whiten your smile in up to two weeks. Philips Zoom! NiteWhite utilises high-potency gels to provide quick results in a short period of time making it ideal for those with a busy lifestyle. Everything you need to start whitening. Little to no sensitivity. Safe and convenient. 4-6 hours wear time per day or overnight. As offered by your local Dental Practice. With patented Amorphous Calcium Phosphate technology, Philips Zoom! NightWhite has been clinically shown to: reduce transient sensitivity, reduce fade back, increase enamel smoothness and gloss, whiten your teeth in your time. Philips Zoom! NiteWhite fast working formula is perfect for those with a busy schedule. Forget wearing whitening trays for hours, just place your trays in your mouth for 4-6 hours wear time per day or overnight to start brightening your smile. Bring the practice home The Philips Zoom! Please Note: Whitening Trays are not included.