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.

This product truly does work and whitens your teeth very quickly! People are CONSTANTLY complimenting my smile and asking me how I keep my teeth so white. Mind you, I am a smoker and I drink coffee and tea all day long. I initially paid $400 at my dentist to get the professional trays that are a mold of my teeth and 8 syringes of this stuff. When used properly, it should last you a *minimum* of 2 months after DAILY use. It goes a long way, but I didn't realize how badly I was being ripped off! After finding it here on Amazon for this price, I was ecstatic! I immediately ordered it and have been using it since. There's absolutely no difference between this one and the one my dentist gave me, so I know it's the real deal. The only downside of this is that just like with most whitening solutions, your teeth do feel sensitive for a day or so after using. There were a couple of times I fell asleep with the mouth trays still on, and woke up in the morning to SEVERE sensitivity- but that was my fault since you're only supposed to leave it on for one hour. However, the super bad sensitivity only lasted one day. Also, don't use too much to where it's oozing out onto your gums because it burns like hell when it sits on your gums for a while! (Use only a tiny drop per tooth.) I got a remineralization gel here on Amazon, which is supposed to help with the sensitivity post-bleaching and it's made a world of a difference! As for the opalescence, I apply a small dot of the bleach closer to the bottom of each tooth on the tray that touches the front side of my teeth (so that it doesn't touch my gums when it spreads), and leave it on for about 1 hour before bedtime. I do it every night until I get the results I want, and then just maintain by using it for a 3-4 days in a row each month. (That's just my personal preference though, since like I mentioned, I smoke and drink tea and coffee every day so my teeth get stained rather quickly). Anyway, I can absolutely say that I truly do recommend opalescence to anyone who needs their teeth whitened. It WILL work, just remember that a little goes a long way!

Great product and price. would buy again

I first got custom whitening trays about fourteen years ago - right after I had my braces removed. I have used just about every gel from several dentists. All of the gels have been far less than 35% and of course took a lot longer per treatment (usually overnight) and many more treatments than this product at 35%. And the gels cost SEVERAL times more from a dentist. One can achieve the same results as this 35% product, but it will take much longer, and will cost much more. There is a balance between the percentage of carbamide peroxide and gum irritation, however - and it varies from person to person (the irritation, that is). But here is what I have found. If I floss my teeth once a day and brush them two to three times a day and use a fluoride rinse "Act" at night, I can use the Opalescence 35% for one hour per treatment in custom trays. Even after one hour, I can see clear results. If my teeth are still too "dim" I can use it every day until I get the results I want. I know (sort of) if I have over done it because my dentist will tell me my teeth are "too" white and off his colour chart. I never tell him this, but I think his teeth are dim and stained. (Sorry if that is mean.) My tips: Brush your teeth at least twice a day with a fluoride toothpaste. Floss once a day and use Act fluoride rinse at night and use THIS gel. This gel is the best I have tried. It works quickly. Short treatment, few treatments. If you cannot tolerate an hour; use the recommended half hour. I don't have sensitivity, but if you do, switch to "Sensodine" sensitive teeth toothpaste and use the Opalescence less frequently, for a shorter time or both. Also, stop doing those shots of straight Bourbon, because that compounds the irritation to your gums. I vacillate about how often to touch up my teeth - so I asked another Amazon reviewer. Anyway, that is what works for me and I hope this helps you. A bright smile makes an awesome first impression. And second, third... Cheers, Dan

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

Works so good however major tingling while using it