Oster Kool Lube keeps your electric hair care tools protected and performing at their best. Regularly cleaning will help give your clipper blades longer cutting life and will keep them sharper for a quality cut every time. This clipper blade coolant provides multifunctional use. It blows hair and debris out from between the small components, cleans and cools simultaneously and leaves behind a thin film that reduces friction and helps your clippers run more smoothly.