Result very good

I drink a lot of coffee and tea, my teeth discolor accordingly. I came across by chance on these teeth whitening strips and thought I'd check it out in.
First I want to thank you for the fast shipment, which was just great! To the product, I can not say anything bad, and here I am completely satisfied. The attachment of the strip is more than just going fast. Between 30- 60 minutes you can let them off, and I would like to note here, if you have something more sensitive teeth, you should remove them after 30 minutes again, otherwise react teeth as something "overwrought". It really is understandable. I use the strips, if at all, only once a week
The result was surprisingly good, I did not expect that the teeth with only one application just around so much whiter. I had already tried other products, such as the Zahnsteinradierer, various toothpastes etc. but none of them has so spawned a huge difference like this one. I'm going to the strip definitely buy again when my package is empty