GUILT-FREE GLAMOUR!® Electric Banana is a bright, neon yellow hair dye that reflects slightly green in sunlight and glows under blacklight! For the most vibrant results, we recommend lightening your hair to the lightest level 10 blonde before use. * Style: Classic Semi-Permanent Hair Dye * Color: Electric Banana * Color Description -  Bright Neon Yellow Hair Dye * Volume: 4oz / 118ml * Ingredients: Vegan Friendly, PPD Free! * Additional Features: Benefits of Conditioning Hair, Resealable Tub For Longer Use, Comes With Instructions * Duration: 4 - 6 weeks * For Best Results: See Instructions Tab  Tested on celebrities, not animals™.