Red hair is a genetic mutation that is found naturally in only 4% of the world population. A 2002 study found that redheads are harder to sedate than any other people requiring twenty percent more anesthesia. Bees are also thought to sting redheads more than others.Sixty percent of women who dye their hair do so at home. Of them twenty six percent choose to go blonde, twenty seven percent go basic brunette, and thirty percent choose to become redheads. The sale of at home red dye kits has gone up seventeen percent since the year 2000.