Scientific reason why red hair is the most attractive.

, historically, red hair has evolved in warriors, philosophers, kings etc. It stands out as being attractive and also invites jealousy and ridicule from the non reds. Pharaoh Ramses the 2nd was red haired, Jesus was thought to be red auburn haired and stuff, Mary Magdalene was thought to be redheaded. What could be the reason?. Red as a colour has the highest wavelength and deeper red hair coloration is close to infrared wavelengths and infrared is thought to have therapeutic or life giving, renewal properties.