How To Get Food Coloring Out Of Hair - Web in a mixing bowl, combine 12 to 18 ounces of regular shampoo with two or three drops of violet food coloring. Web some people prefer to use one color alone, while others mix a few together to make a custom color.
Web some people prefer to use one color alone, while others mix a few together to make a custom color. Web in a mixing bowl, combine 12 to 18 ounces of regular shampoo with two or three drops of violet food coloring.