Download What Color Hair Dye Goes Over Red Images. The gene for red hair also causes an increased sensitivity to sunlight and a reduced sensitivity to anesthesia. Color on color always goes darker.
Hair color is primarily genetic, and red hair is caused by mutations in the mc1r gene.
Red hair (or ginger hair) occurs naturally in one to two percent of the human population, appearing with greater frequency (two to six percent) among people of northern or northwestern european ancestry and lesser frequency in other populations. The brand are currently still looking for commercial partners to. The hair dye called fire changes colour depending on the temperature of the surroundings. But if your not sure go to your nearest sally.