Blue Steel Hair Color A Cool Silver Hair Dye With Blue Undertones For Best Results We Recommend Lightening Hair To The Lightest Level Ten Blonde And Toning Hair That Has Yellow Tones Before Use To Avoid Undesired Hues Mixable Colors And Tones MANIC PANIC Hair Colors Are Safe To Mix To Create Custom Shades Making The Possibilities Of Shades Endless Combine Any Formula With The Pastelizer To Create Soft Trendy Pastel Hues Ready To Use No Developer Required Semi Permanent Hair Dye Formula Gradually Fades In Four To Six Weeks Because It Does Not Penetrate The Cortex Of Your Hair But Simply Rests On Top Of The Hair Shaft Cruelty Free And Vegan Formula This Color Cream Hair Dye Features Vegan Ingredients Tested On Celebrities Not Animals Hair Color Is Ammonia Free Paraben Free Gluten Free Resorcinol Free Phthalate Free And Peta Accredited