I was very impressed and I have ordered another kit for my son. Highly recommended. I am really happy with my impressions, they were easy to use, clear instructions and the finished product fits comfortably and works really well - excellent for the price, Received the dental tray very quickly, which I though was a good sign.
But as for the product itself, don't waste your money, go to the dentist. The dental tray was made of a light, bendable plastic that fitted over the teeth but not tightly enough to distribute the whitening gel over the teeth and hold the gel in place over the whole of the tooth.
The gel slipped to the bottom of tray (because tray not tight enough to allow gel to adhere to the teeth) leaving the top teeth lighter at the bottom, dark from mid tooth to gum line and the bottom teeth lighter from mid tooth to gum line, but darker at the top.
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