I used to have my natural mousy brown hair highlighted so it was a nice blonde,several months ago i dyed my hair medium brown with a semi permanent,a. Demi-permanent does alter your color, and it's often used for brassy or faded hair and over highlights. Also, you can use fun colors like purple or blue or yellow, . Mar 24, 2011 - Single process colour is all one tone. It can be permanent or semi-permanent, but there are no highlights—your entire head is the same. Semi-permanent hair dye is a more gentle and short-term means of dying hair. Find out more about semi-permanent hair coloring with Schwarzkopf. Nov 11, 2016 - Wish your highlights popped, hair was silkier, or shined like Demi Moore's? Pining for a change, but don't have hours to sit in the chair — or the . Learn how to use a hair color remover to help fix your hair color mistakes. . Remover is formulated for natural or bleached blondes who've used semi-permanent dye. . If your highlights are too visible…don't color such big chunks of hair. This clarifying shampoo helps accelerate the fading of any L'Oréal Paris Colorista Semi-Permanent Hair Color. The more you shampoo, the more your color . How to choose between demi-permanent and permanent home hair color . over time, the white strands will look like glittery highlights under the wash of color. Semi permanent hair color adds color right away to your hair where as permanent hair color opens up the hair shaft first and embeds color more deeply into hair.