VivaStyle Whitening System is a unique three step system in three differnet concentrations (16%, 22% and 32% carbamide peroxide) that activates, whitens, and conditions teeth to give patients the best possible take-home whitening experience. Features include whitening up to 10 shades in 10 days, visible whitening results in as little as 4 days, easy to follow three-step process to provide a higher standard of care, with all teeth whitening components being available separately for purchase. Available in three different concentrations (16%, 22%, or 32% carbamide peroxide). 87% clinical approval rating. Contents include: 1 VivaStyle Activate 3 VivaStyle Whitening Gel syringes (3ml each) 1 VivaStyle Condition 1 tray case 1 shade guide Note: EVA tray material is not included in the kit. Custom patient trays are required to use this system. Non-Latex Shelf Life: 1095 days A