I just saw the advert for elnet (no idea on spelling) heat protection products. There was smoke or steam or something coming from the hair they were styling!
At the end it says "worth it" on her heals. I sat there thinking no, not at all worth it. I think her hair was backcombed as well and since it's Cheryl Cole she probably has extensions (from what I've seen most long haired celebs have them).

So, what are the best and worst hair product adverts you have seen? Which ones made you cringe the most and did any of them make you want to buy the product?

I apologise if this is in the wrong place, I wasn't sure where to post the thread.