2) The formula for easy temporary hair dye is to mix one packet of unsweetend Kool-Aid with, 1/4 cup hair conditioner and 1 tablespoon white vinegar To get this pretty color purple – mix 1/3 cup hair conditioner with 1 packet of blue, with half a packet red and 1 tablespoon yellow Kool-Aid, and a little more than 1 tablespoon white vinegar.