MANIC PANIC AMPLIFIED conditioning semi–permanent hair color is fortified with an herbal and protein complex. This unique formula is gentle to the hair and contains no animal by–products. Manic Panic Hair Color is PPD free, ammonia-free and peroxide-free! It is made in the U.S.A. It can be used to achieve intensely bright colors on hair that has been pre–lightened to a very light blonde, and on some natural blonde hair. Some colors, particularly the dark reds, dark purples, or dark greens may give a highlight of color to natural dark unbleached hair, and may be brighter on lighter and more porous hair. A strand test is recommended to verify color on your particular hair. MANIC PANIC HAIR COLOR IS TESTED ON CELEBRITIES, NOT ANIMALSâ„!