Manic panic amplified formula semi permanent hair colours that last 30 longercreated especially for manic panic devotees who seek more permanence from their semi permanent colour in 13 of our best selling shades plus 2 super naturals we present a new formulation that is the same gentle to the hair dye with all natural ingredients that is now stronger and longer lasting not tested on animals and contains no animal products look for the new shimmering silver label with the amplified stamp