In the first study to look at the evolution of hair types, researchers found that tightly curled hair offered a trade-off of protecting the head from the sun while minimizing unwanted insulation. bottom.
human
February 14, 2023
Hair types have been studied by researchers in fields such as cosmetics and forensics, but not from an evolutionary perspective. Mireya Asierto/Getty Images
Tightly curled hair offers the best protection against the potentially harmful rays of the sun. This could explain why this trait evolved in early humans in Africa, and why straighter hair emerged when some humans moved to cooler regions.
It has long been said that the reason why the hair on the scalp remains thick and the hair on the body becomes inconspicuously thin is to prevent hair loss…
