Hot Hot Pink is cooltoned medium neon pink hair dye that glows vibrantly under blacklights when dyed on the lightest level 10 blonde hair For deeper pink hues this can also be used on virgin unbleached hair Three Times The Pigment And Lasts Thirty Percent Longer Than The Classic High Voltage Line Each Application Lasts Six to Eight Weeks Ready To Use No Developer Required MANIC PANIC Hair Colors Are Safe To Mix To Create Custom Shades Making The Possibilities Of Shades Endless Combine Any Formula With The Manic Mixer Pastelizer To Create Soft On Trend Pastel Hues Cruelty Free And Vegan Formula Features Vegan Ingredients Tested On Celebrities Not Animals Made In The USA Hair Color Is PPD And Ammonia Free Paraben Free Gluten Free Resorcinol Free Phthalate Free And Peta Accredited The Manic Manifesto Manic Panics hair coloring products are always Cruelty Free and Vegan tested on celebrities not animals This vegan hair color is also ammonia and PPDfree parabenfree glutenfree phthalatefree and PETA accredited