Step one: Purchase The Masters Brush Cleaner and Preserver.
Step two: Follow step one on the back of the container.
Step three: Follow step two on the back of the container and "Swirl brush in compound and work into lather, rinse, repeat as necessary until brush is clean"
After following step three and learning your version of 'swirl' is much different than the instructions version of 'swirl', you should notice your brush bristles are now pointed in every direction in an irreversible manner!
You have now destroyed your 14 dollar paint brush!
Optional Step: Stare deeply into your destroyed brush, contemplating your decisions while fruitlessly trying to push the bristles back to where they should be.
Optional Step two: Pout about it online.