Beware! It is a ****!

I purchased a straightening brush Tame at ComicCon in Johannesburg in September at Cest la vie Hair's stand. The lady was very persistent to give me a demonstration and I agreed because I didn't have time that morning to fix my hair. The brush she used really impressed me, it worked so much better than the one I was using then. Though it was a bit pricey I decided to buy one. Well, I must say that both that lady, who gave me demonstration, and the young guy who was working on the stand with her, were very friendly and persistent - they clearly perfect the art of sales. Or should I rather say, the art of ****ming. When I used the brush at home, I noticed that the effect is not the same I had during the demonstration. After I used the brush 3 times, it stopped getting hot. Then it suddenly worked 1 more time and after that stopped showing any signs of life. I tried to contact C'est la vie Hair but no success. I found a couple of similar to mine stories online. To me it looks that they package cheap stuff into branded boxes and sell it x10 more expensive that one can buy from Takealot but during the demonstration they use the real products that give you that same great effect.