Opalescence PF 35% Teeth Whitening 12pk of Mint flavor syringes (GUARANTEED FRESH)

I have used the syringes for a week now. I can definitely see a difference in the color of my teeth. Crest strips just really don't work for me. I don't like using trays though. They're messy and bulky. I didn't add a whole syringe of the product to the tray. It isn't necessary. If you only use enough of the product to cover your teeth, and not gums, you will probably experience little sensivity. I experience no sensivity, but my gums are very strong.

Last year (around August 2010)I purchased Opalescence through my dentist for at home whitening (along with custom made trays from my dentist). I was instructed to fill the tray before bed and wear it 8 - 10 hours each night (while asleep). Results were great, but took about 8 - 10 weeks to achieve. The first 4 weeks was using Opalescence PF 10% Melon Flavor (which was not strong enough) and showed very little improvement in whiteness.

The next 4 - 6 weeks I switched to Opalescence PF 20% Melon Flavor, and I began to see improvement after about 2 weeks. In the end, I was very pleased with the results and over the next few months I got several compliments on how white or pretty my teeth were (which has never happened in my life!)

I stopped using the product in about November 2010 and by about May/June 2011, I needed a touch up, so results lasted about 6 months. I decided to go through Amazon to save money & went up to the 35% strength as I have a special...Read more

I had the kit done from my dentist, which there gels are so much higher and I decided to order on line i recieved my syringes very soon after order,,,I am so amazed at this product,,It is truely a awesome whiting gel,,,,I orded the 35% , which i had been using 16%,,What a total change ,,,With in a week, I seen this product really works, I have to keep them up cause i have a bridge which was lighter than my teeth , now you cant tell a difference ,,LOVE this product,,I do recommend to all,,,,,,worth every penny!!!!!!