Works really welll
I have very thick and wavy hair which takes over an hour to flat iron but I'm impressed with how well and fast this works.  I can do most of the work with this and use my iron to finish it off.  I can do my hair in about 30 mins or less now.  Because my hair is thick, it is hard to flatten it totally with just this brush but it comes really close.  It's a good deal, I have paid over a hundred dollars for irons that don't even work as well or as fast.  Would have given it a 5 if it could fully flatten my hair with out the help of an iron.  Check out other reviews as some have videos that you can see how well and fast it works.
Rating: 4 stars