Natural Melanin vs Artificial Dyes
Natural Hair color and Melanin, Hair Structure, Changing Melanin, Artificial Pigment Color Theory, Artificial Dyes, Manufactured Terms, Depth Tonality and Intensity, Types of Hair color Dyes, Developers, Determining Levels, Color Line Characteristics, Lightening Melanin vs Lightening Artificial Dyes, Color Placement, Client Color Card