It makes my hair nice and full. (compared to other volumizing products that don't seem to make much of a difference) You can purchase their products at practically any salon, and even Walgreens. <- I was so happy when I saw it on the shelves. haha.
You can also check out:
Matrix Vavoom Volumizing Foam
Paul Mitchell Extra-Body Daily Boost
Redken Body Full Plump Treat Leave-In Thickening Treatment