This is so easy to use, you just turn the bottle until the whitner comes out and brush it on to your clean teeth. How simple can it be? And yes it works great! I've already noticed a difference and I'm using mine with an excelerator to get fa...
I have only used these for two days and have already noticed a difference. I read some reviews that stated these weren't large enough but I have had no issues with them. They cover all my front teeth and fold over easily. I did notice a little bi...