You will get 6 uses out of the Gel Refills, which is 2 uses per Gel syringe. We suggest completing a single treatment every 2 weeks to maintain or your results.
You will need to use the LED light & mouth tray to whiten your teeth correctly with the Gel Refills. If this is your first time using Hismile.
You will notice measurements outlining how much Gel to use on the side of each syringe. Simply squeeze out and apply 1/4 of the Gel to one side of the mouth tray and 1/4 of the Gel to the other side of the mouth tray.