Barbicide is a disinfectant solution used by barbers and cosmetologists for disinfecting grooming tools such as combs and hair-cutting shears. Manufactured by King Research, it was invented in 1947 by Maurice King and marketed heavily around the United States by his brother James.

Britannica Dictionary definition of CLEAN–CUT. [more clean–cut; most clean–cut] : having a neat appearance that suggests you are someone who does not break rules or cause trouble. a polite, clean-cut young man.

Most clipper cooling sprays dissipate the heat from the blades and also disinfect and lubricate your clipper, all at the same time. The Andis Cool Care Plus 5-in-1 clipper spray is an excellent example of a cooling spray that disinfects, lubricates, cleans, and prevents your blades from rusting.

A barber has to sanitize and disinfect his haircut tools every time, in between every customer. You want everything you use on your client to be clean, with no exceptions. It's also the law!