I've got type 4 hair. I wasn't expecting it to make my hair bone straight, I just wanted to emulate a blow-out. And oh boy did it do that. Usually blow drying takes a little over an hour with a pick attachment and if I want to flat iron on top of that? Forget about it. This thing cuts that time by over half. It's got a power lock so you don't have to worry about cutting it off while you're using it. Unfortunately, it doesn't have a temperature lock. By virtue of having the buttons on the handle, you'll be mashing them non-stop just trying to hold it. As little time as it took to do my whole head I imagine it would have taken even less time if I didn't have to keep stopping to readjust the temperature. Also, two tines/teeth broke off on the first swipe. In short, it's wonderfully effective but poorly designed. This is a good brush with which to get your feet wet, so to speak.
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