Global Hair Coloring a technique that covers your hair in one single hue from root to tip.

A highlighting cap, aka frosting cap, is a method where hair is pulled through tiny holes of a cap, later processed with bleach or hair color. 

half head highlights are usually only applied to the top, most visible sections. 

Mustache coloring is the practice of applying color to one's mustache hair to change its natural color. 

Beard coloring practice of applying color to a person's facial hair, specifically the beard, in order to change its natural color.