You may have noticed the trend that is dyeing your hair rainbow colors. The process has been spreading across the world, and now a company called 'Manic Panic' has taken the craze to a whole other level by creating rainbow hair dye that makes your hair glow under black light! You can choose between a range of several cool rainbow colors, and the dye is also suitable for vegans, being free of paraben. Is this a trend you would consider doing to your own hair? Take a look!