Bests & Worsts Reviews from Amazon

I've been whitening my teeth twice a year for about 17 years now. I've always used Crest white strips, or the knock-off from CVS and Target. I decided to try Zimba because it's cheaper, and seemed to have less ingredients? (I can't confirm that). I LOVE THE COCONUT TASTE!!! wow what an improvement from having my mouth taste like stale peroxide. I leave mine on for 45 minutes (30 mins didn't seem like enough), but I haven't been able to go up to an hour (the limit from instructions) because my teeth start feeling super sensitive at 45 mins. NOT AS sensitive as Crest white strips, but still a slight twang. My teeth were pretty clean looking to begin with- but they are now as white as tissue after only 4 days. Honestly I saw a difference after the 1st treatment. I'm not going to do the full 14 days, as I don't need it. I'll save it and use it in 6 months :) Oh- and also, yes, you can workout with them in. I'm so happy!