It is not working at all! Stay away, it is a scam. No sensitivity - yes, but it's is not whitening your teeth. Total waste of money and time!
Stay away, stay away, stay away.
Scam!
Bottom Line: No, I would not recommend this to a friend
5 people found it helpful
Link to this Review
Company Response from HiSmile
Hey Vladimir,
I'm sorry to hear our Kit fell short from giving you the results you’d been hoping for. We would love to assist you further if you can email help@hismileteeth.com with your order number and reference this review.
We look forward to assisting you further!