The gel dispenser has a blunt tip with a large opening through which the gel comes out. It is impossible to control the amount of gel dispensed and its position on the tray. I had to apply the gel and then wipe it off to get the right amount. Also, the gel burns my gums. I've been whitening my teeth for over 20 years - after every professional cleaning - and this is the worst gel I've ever come across. I throw it away and buy something else.
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