Harder to Dye
Natural red hair is often firmer and hard to dye. Therefore, people require a bleaching process, and there might be two or three rounds of it before the hair dye sticks. This is severely damaging, so most redheads keep their ginger hues.
Dark to Red
In 1932, many children had hair that turned red because of a specific protein deficiency disease. Kwashiorkor happens when a person’s diet is high in starch but low in protein. They often experience anemia, digestive problems, dry skin, and more.