Tell me if this chain of events rings any bells: You splurge on a professional blowout, your hair looks almost like Gisele's, you enjoy it for a few hours, you hit the hay, you wake and realize that you pretty much flushed $40 down the drain.

Sound about right?

I used to think that short of pounding Red Bull in an effort to prevent my head from touching a pillow, there was no way to keep from ruining a great blowout. Then I stalked Blo W Hollywood's Chief Style Boss Ivan Arellano and was happy to learn that there are more sane methods to keeping a professional blowout looking great for days.

According to Arellano, a good blowout, flat ironing, or curling should last two to three days. To make sure you get your money's worth -- and a good night's sleep -- the next time you indulge, simply follow his foolproof tips ...

See eight ways to preserve your next pro blow.