Dispel the Myths: The True Function of Cholesterol in the Body. FAITH MONEY and the Coming Collapse: New mini-documentary from the Health Ranger eviscerates govt. economic LIES...
Best Answer: The directions say to leave the color in for  30 minutes if you want it to last for six months. That refers to the color, NOT the bleach! I myself left the color in for an hour, but the life of the color really just depends your shampooing habits. Also, for Pete's sake, don't let any of the dye get on anything but your hair, as Splat tends to stain unforgivably.
Follow these safety tips when dyeing your hair: 1  Don't leave the dye on your head any longer than needed. 2  Rinse your scalp thoroughly with water after using a hair dye. 3  Wear gloves when applying hair color.4  Carefully follow the directions in the hair dye package. Wear gloves when applying hair color. 2  Carefully follow the directions in the hair dye package. 3  Never mix different hair dye products. 4  Be sure to do a patch test for allergic reactions before applying the dye to your hair.