Why do you have to be over eighteen to have your teeth whitened/bleached with an at-home kit?

i really want to have snow white teeth and they have tooth whitening kits on sale but they all say on them you have to be over eighteen. why? can it harm your teeth? i'm not gonna get it done if it does but how does it damage them? i'd just like to know thanks.

Why do you have to be over eighteen to have your teeth whitened/bleached with an at-home kit?
Bobby! is exactly right. Your teeth aren't done developing. Bleach is bleach. If you put bleach on soft, sensitive clothing, what would it do? It would eat it away and dissolve it into mush. It would do the same to your teeth. It would eat the finish off your undeveloped teeth and make them look worse than ever. It does the same thing to adult teeth and adults should be aware of this as well, but at least their teeth have finished hardening. All teeth whitening processes involve bleach or peroxide, all of which have the possibility of damaging the enamel of your teeth. Over time, with regular use of these products, a person may be doing more damage than good, all in the name of vanity.
Reply:Your teeth are not totally set. When they are then you can have them bleeched.
Reply:Im not sure why you have to be 18 but I know any bleaching or abrasives can and will eat away at the enamel on your teeth.



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