The Best How Long To Leave Hair Color On References. Web in general, it is recommended to leave dye in for 30 minutes to 1 hour. Web in general, never leave a hair dye in your hair for less than 30 minutes and more than 45 minutes due to the possible hair damage and undesired colors.
It is important to note that leaving hair color on for too long can damage your hair and scalp. Once the color is completely applied to hair, wait 20 minutes. You are not in a hurry but in the chair of a professional.
