PF 35% Teeth Whitening, Mint Flavor (2 Tubes with 4 Syringes)

The gel has gone off even if it was still in warranty. It is almost solid and cannot be spread well in the trays and it has a gone off smell. It also burnt my gums after a few minutes of using, probably because the texture is not good anymore and too much gel goes in the tray.

My teeth got sensitive immediately and turned to yellow couple of days later!!

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This is my go to teeth whitening. This company has been in business for years so you can’t go wrong.

Noticeably whiter after just an hour!

I wasted a lot of money on a cheaper brand you can find on here (rhymes with MyShmile) for it to only whiten my teeth by a hair. This was even with their 35% gel and over week of treatments. It probably whitened by half a shade if at all. I should have just splurged on the Opalescent to begin with, because it would have saved me a lot of time and money. I'm an idiot for not taking a before, but it actually got my teeth noticeable whiter (beyond a doubt) on day 7. One thing I love is that if you have natural vampire fangs like me, whitening them makes them look a little more sharp and pointy. That was a pleasant surprise I wasn't expecting. I think it's because the white contrasts with your skin and the shadows in your mouth. Before you buy this, please be aware that you can severely burn your mouth and gums if you aren't careful with this stuff. Your enamel is strong enough to withstand it, but your flesh isn't. If you don't have the custom trays like me, I reccomend using a cheek retractor while painting each individual tooth with the syringe. This will also help to keep saliva away from the teeth/gel as it can deactivate the peroxide somewhat and won't be as effective. If the gel makes you drool like me and you want to further protect from saliva, tuck some cotton balls under your tongue and beside your back molars to absorb the moisture. Also tuck a towel under your chin like a bib. It's a learning curve to apply without the tray, but you get used to it.