Haven't tried yet but super professional looking!
Disclaimer: I did not use the product yet. I'm currently slated to give birth any day but really wanted to feel pretty after this whole pregnancy so I'm planning a mommy makeover in the next few weeks (ladies, you know how that is: hair, nails, makeup, wardrobe, teeth, etc) so I bought this. It came the next day, the concept is great and the quality seems extremely professional. I'll report back with the whitening results once I've tried it.
Rating: 5 stars