Crazy Color Semi Permanent Hair Dye Color 032 Natural Black 150ML 5.07 oz Natural Black A natural brown/black. 5035832018911 Crazy Color Natural Black is a brown/black perfect for covering naturally dark hair or creating a shadow root. Can be used over hair that's already dark right up to lightest blondes. Lasts between 3-9 weeks on bleached hair, depending on the shade chosen. Hair color will add energy and shine to natural hair or glowing colors on light bleached hair. The more porous the hair, the more vibrant and longer-lasting the color will be. For exotic, vibrant colors, bleach hair to the light yellow stage and apply crazy color cream without the addition of any other substances. Comes in outer box containing 4 x 3.3oz bottles. Lasts between 3-9 weeks on bleached hair, depending on the shade chosen. Hair color will add energy and shine to natural hair or glowing colors on light bleached hair. The more porous the hair, the more vibrant and longer-lasting the color will be. For exotic, vibrant colors, bleach hair to the light yellow stage and apply crazy color cream without the addition of any other substances. Comes in outer box containing 4 x 3.3oz bottles.