how this works you mix it up for about 30 to 45 seconds you wait for the collar to turn hank you then load the material into the tray and then when it starts to turn white you insert it in your mouth and.Total White Teeth Whiteningthen you push it up tight as you can to get City you hold it there 34 minutes later you can remove the tree now before you use the alginate shake it up really good tumbling around fluff it up and when you mix.FOR MORE INFORMATION httpilluminatedteethfacts.com/total-white-teeth-whitening/