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 ANIMALSTM!