Manic Panic Classic Formula Semi Permanent Hair Color Cream is one of the best of its kind, giving hair bold, brilliant color. Change your hair color easily with this cream. Mixable Colors & Tones: All Manic Panic hair colors are safe to mix to create custom shades, making the possibilities of shades endless! Combine any formula with the Manic Panic Mixer/pastel-izer to create soft, on-trend pastel hues. Ready to use, no developer required. Cruelty-free, Vegan Formula: This color cream hair dye features vegan ingredients tested on celebrities, not animals. Hair color is PPD & ammonia-free, paraben-free, gluten-free resorcinol-free, and phthalate-free. Semi-permanent Hair Dye: This semi-permanent hair dye formula gradually fades in 4-6 weeks because it does not penetrate the cortex of your hair, but simply rests on top of the hair shaft. For Best Results: Vibrant color results are best achieved by applying to hair that has been pre-lightened with Manic Panic Flash Lightning Bleach Kits.