Product review (3 stars): Wish had all my life. Will not be replacing.
At first this was a gift from heaven.  I have kinky, frizzy, fine hair but a lot of it.  Used this when hair was 90% dry and it worked beautifully.  Hair was done in a flash - smooth and shiny and straight with volume.  My hairdresser couldn't use it without pieces getting tangled so I would do my own drying and shaping.  No longer used curling or flat iron.
Then my bangs started breaking off.  Lots of breaking.  Could be from processing of colors and highlights (which I've had done for 30 years) but why now?
I took it to Europe and used an adapter.  Started smelling bad so I could tell it was burning the motor.  Got a huge converter from the front desk and the brush died right away.  Left it in a trashcan in France and went 2 weeks with frizzy hair.