I have been using HiSmile for at least three years and I have or never will try anything else because it's the best thing I've ever used. My results are always amazing and keep me smiling all day!
Bottom Line: Yes, I would recommend this to a friend
Company Response from HiSmile
Dear Tanya,
Thank you for sticking with us over these three years, we love our loyal HiSmilers, you guys are the absolute best!!
Have a lovely weekend.