I use the VO5's "So Smooth" normally and bought this one when the So Smooth was out of stock ( dont you just hate those little "sorry out of stock" stickers on the shelves!?). While it did sort of make my fine hair straight, I found that it didnt take out the frizz as well as the "So Smooth" one, so I bought "So Smooth" the minute I saw it back on the shelves.