The ad makes you think you are going to get noticable results after the first use but that's not the case. The light made no difference. Just tasted like a mouth full of peroxide. No different than what I can buy at the drug store for less!!!
easy to use and no discomfort, directions said 2-5 minutes to make sure you don't have sensitivity but I I used for 1 hour and no sensitivity and good results, I am 67 and was told it would not help but I am very pleased
This doesn't compare to a professional kit. Used it 3 times now at 5 minutes or more and I don't see any results. If you have a small mouth it's impossible to use both upper and lower trays together because they are thick.