Is it normal for the tray to be empty of bleaching gel after bleaching teeth?

So i need to know how to make your own bleaching trays? I have the bleach but not the trays, i know you can go to the dentist...

Do you think that the teeth bleaching at the mall works or not? it says it will but I've never tried it and it is only $25 so...

do you buy special bleach or just use regular bleach and how do you do it?

If so, how??? I'm thinking about going to the dentist and getting it done but my family kept saying its bad.

Detail .. Well my little sister who just bought the wrong kind of hair dye , its just ''blonde supreme'' . Her hair is like ...

How do you make hair bleach from scratch? Please not comments telling me to go to a salon.

I want to start making my teeth healthier and whiter than they already are. is this too much on my teeth? Morning: Listerine ...

Is putting bleach on you teeth good when you brush your teeth???

Do they whiten your teeth and what brand/kind is the best in your opinion ?

Does applying hair gel cause hair fall? What are the side effects of hair gel?