GUILT-FREE GLAMOUR!® After Midnight is our deepest, darkest blue hair dye. This color can add dark blue highlights to virgin, unbleached hair, but for best results, we recommend lightening hair to a very light level 9 blonde or lighter and toning hair that has yellow tones before use to avoid undesired hues. Tested on celebrities, not animals™ WEAR IT LOUD!® Details: Style: Amplified Semi-Permanent Hair Dye Color: After Midnight Color Description -  Dark Blue Hair Dye Volume: 4oz / 118ml Ingredients: Vegan Friendly, PPD Free! Additional Features: Benefits of Conditioning Hair, Resealable Tub For Longer Use, Comes With Instructions, Longer Lasting Formula with 30% More Pigment Duration: 4 - 6 weeks For Best Results: See Instructions Tab