Their are several different ways to go about this. The stiffness, damp and drag all play an important part in getting the results you are looking for. I worked on an animation very similar to this one and discovered I needed to create 3 hairsystems some of the smaller filler hairs were set to static mode, The hair along the sides, top and mid back had a high stiff and damp value with less drag. The bangs and long hairs in the back were set to have a little less stiff and damp value with the same drag. You also need to make sure that your collision objects are blocking the wind by default this is turned off.