Ok so i was wondering if this works?

My friend jake wanted to know if the crest teeth whitener trays really work. do they?Ok so i was wondering if this works?
They really do work. Unfortunately, you have to keep doing it approximately every 6 months in order for them to stay their absolute whitest!Ok so i was wondering if this works?
aquafresh works better
i think that's is work.
they work fantastic!
my brother uses those and from what i see they actually do work=]]]]]


haha have fun with that=]]


good luck!