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Trusted Contributor
Posts: 1,090
Registered: ‎03-09-2010

Any tricks for using teeth whitening gel without a tray?

I bought some of the Plus White 5 Minute Speed Whitening Gel the other day at Walmart. I tried using the tray, but it definitely didn't fit my mouth correctly, and the gel oozed to the back of my teeth instead of staying on the front. A couple of times I tried just brushing the gel on my teeth, but it is nearly impossible to keep your lips from getting on your teeth! I tried keeping a huge smile on my face, but that only last for a couple of minutes.

Does anyone have any suggestions for keep the gel off your lips and gums? Thanks!