For what it is, it's good.
I was not expecting much when I bought this -- how good can a $10 wax heater be?  I'd never used the cartridges, so I figured if I'm going to try it, then I'm going to try it cheaply.  So I got this and the Azulene wax.<br /><br />First thing I noticed was that it was BRUTAL trying to get the cartridge out if it hadn't been heated first.  (Protip: don't push the cartridge in all the way.  Leave a little space between the roller head and the warmer unit.  You'll thank me later.)  It took a lot to wedge the thing in there, too.  But there again, cheap product, of course it's not going to be perfect.<br /><br />I can't speak for heating times; I plugged the unit in and kind of left it while I went and made myself dinner so I didn't really time it.  Once it got going the wax spread on evenly and thinly, with very little mess (although the edge of the roller gummed up a bit but that was easy to wipe off).  It didn't take long at all to do a half leg wax, and the mess was substantially less than the usual pot and spatula method.  Definitely NOT for smaller areas, though.  It didn't do nearly the job I wanted it to do on the underarms.<br /><br />I'm not sure this will pull me away from my wax pot permanently, largely because this method seriously limits the kinds of waxes you can use.  But for when I'm in a hurry, it does the job.  Would also work nicely for travel.
Rating: 3 stars