Manic Panic brought you this electrifying semi-permanent hair colour in 1977 and changed the world This world famous hair colouring brand is used by countless celebrities, models, and celebrity stylists. Manic Panic's famous VEGAN formula not only colorus but conditions the hair. Manic Panic hair colour is the best of its kind. Superior ingredients are used in these rich formulas that are guaranteed Vegan and PPD free. For best results, apply to hair lightened to a level 10. All dyes are vegan and PPD-free, paraben-free, and ammonia-free. Tested on Celebrities, Not Animals A refreshing minty green, perfect for achieving mermaid hair. To achieve the best results with Manic Panic Creamtone Pastel Shades, pre-lighten hair to an even level 10 platinum blonde using Manic Panic Flash Lightning 30 or 40 volume bleach. All Manic Panic hair dyes are a semi-permanent formula that should last in the hair for up to 4-6 weeks. Manic Panic products are guaranteed vegan and are tested on celebrities, not animals.