'The minute touches your hair it will begin to lighten, so timing is extremely important,' says Choi. When bleaching your hair, things happen fast. The Case Against Bleaching Your Hair at Home Guy Tang is a hair stylist, colorist and social media influencer who has created his own line of hair color and styling products called Mydentity with a mission to help others use hair to express themselves.She has honed in on her skills over the years by working at some of the most renowned salons in Beverly Hills and is now sharing her methods by offering educational courses in cities around the country. Cherin Choi is a professional colorist.