My sister bought this product for me about 5 years ago. I have the worse hair ever and she told me if I used the Paul Mitchell flat iron it will give much better results than anything I've ever used. I swear by it. Nothing took away the burnt frizziness look of my hair before until I used this. The other day, due to a problem with outlet, I thought my flat iron was no longer and working and ran to the computer to see where to order another one immediately. The number of compliments I receive after flattening my hair with this is a great difference from the "nothing" I get after NOT using it.