Disclosed in this application is a hair coloring additive and method of use that provides highly accurate and long-lasting hair coloring results. In some aspects, the hair coloring additive uses raw oxidation dye molecules that are sized to enter into the cortex of the hair during the method of application, where they grow and remain trapped. The hair coloring additive and methods of use can be used with multiple types of hair coloring donor products or formulas, including temporary, semi-permanent, demi-permanent and permanent hair colors.
