perioe thera-white perioe hthera-white instant whitening led light system thera-white peroe perioe thera-white instant whitening led light system use hydrogen peroxide gel with led light for 10 minutes requires two lithium refill syringe can be purchased separately $45.99 the kit perol thera-white the white attach led device to silicone mouth tray apply gel with syringe bite down on tray turn on perioe thera-white whitening gel used as a refill with led system wang wings thera-white perioe perioe thera-white innovative dual system! booster activates toothpaste to remove stains and whiten teeth faster and more effectively than with thera-white perioe apply gel with syringe let dry for 1-2 minutes do not drink or eat for an hour omanti line with activated charcoal thira white perioe free perioe thera-white 2-in-1 whitening toothpaste charcoal cool mint with purchase of thera-white instant whitening led light system