I'm supposed to use this on my head?

This morning, I was putting some make-up on and smelled the toxic fumes of burning plastic.
I walk in to my bathroom to find my hair straightener ablaze...smoke and everything.

I pick it up and unplug it...and there were two long, thin singe marks on the bathroom counter.

Here's what my $100 straightener currently looks like:





Oh, the metal pieces melted off of the plastic backing...WHY would something you are supposed to put near your skin have a setting to get hot enough to melt itself...and burn a countertop?