If you have fine hair, a lightweight misting volumizer will coat strands to pump them up. For thicker textures, look for cream formulas; they'll tame frizz without zapping fullness. Somewhere in the middle? Go with a mousse, which adds just the right amount of bulk without weighing hair down.
Sally Hershberger Plump Up Thickening Mist, $13; ulta.com for store locations.
Oliver Ifergan Atelier XNLT Thickening Crème, $18; oliverifergan.com.Read MoreLess