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Frequent Contributor
Posts: 125
Registered: ‎10-21-2010

Really dumb question.  Are teeth whitening pens sanitary?   Aren't you constantly putting bacteria back into the pen tube.  I want to try them but I guess my hypochondria is getting to me.  

Honored Contributor
Posts: 38,461
Registered: ‎05-22-2016

Most use a peroxide substance to whiten teeth and that also kills bacteria.

Honored Contributor
Posts: 8,522
Registered: ‎03-30-2014

I have always wondered why the coating doesn't just dissipate.  Which means it goes down the hatch?

Honored Contributor
Posts: 8,018
Registered: ‎12-24-2010

For OP............you just brush the gel on YOUR teeth...........keeping lips apart.......pen doesn't go back in tube......just put cap back on tube like toothpaste.  If any spit.....it's YOUR spit.........

Pen is great

Happy New Year

Trusted Contributor
Posts: 1,762
Registered: ‎06-07-2010

I am a total OCD freak when it comes to germs but I don't worry about this because I am the only one using the whitening pens so it's just my bacteria going back into my mouth where there is already bactera.  Just don't share the pens and you wilil be ok. 

Trusted Contributor
Posts: 1,648
Registered: ‎10-26-2014

my teeth are already pretty white, but i use smileactives and it works for me..