Ahhh hairspray. Some are afraid, and others know the true power, and diverse beauties, of the power in the can. Don't be scared people, hairspray most likely has a way to make your hairy life easier.
The volumizing, light holding type: This hairspray really doesn't offer much hold, but what it does best is dirties hair up, adding the slightest(build able) amount of grab, if you will. When hairs are fine, too soft, too slippery, seeming to blend into one form instead of showing off those fine ass layers you've had cut in... enter a lightly grippy, volumizing, flexible hairspray. The goal is to disperse evenly, commonly done by shaking hair upside down and spraying all over, thus creating a large cloud-do not inhale rapidly. I repeat, do not huff your hairspray.
Also, this spray works great before backcombing.
One to definitely try, training wheels or not, Redken Workforce 09 Volumizing Hairspray.
The "I want this style to stay" spray: This spray is for those who have a. given themselves a nice up do, b. given or gotten a great blow dry and want to keep the shape all day, c. stubborn bangs, or d. a desire to always "finish" a hairstyle. This higher holding hairspray can take your hair through day or night, give lasting volume, and sometimes even weather proofing. Spray in light puffs in areas desiring control. Two great sprays, Redken Quick Dry 18 Instant Finishing Spray, and White Sands Infinity Finish Spray(can brush through!). Both are humidity resistant!
The "You best not be movin" spray: Shellac, plaster, helmet head..haha. This spray has many nicknames, for it does all these things when applied with a heavy hand. This spray is what you want when you really just don't want the hair to move. I recommend for use in up dos that have to last hours+. Build able hold, so start light applying in small bursts. One to try, White Sands Stuck Up Mega Hold Hairspray.