Dating a redhead
The MC1R recessive variant gene that gives people red hair generally results in skin that is unable to tan.
Red hair is also found amongst the Ashkenazi Jewish populations.
It is characterized by high levels of the reddish pigment pheomelanin and relatively low levels of the dark pigment eumelanin.
It is associated with fair skin color, lighter eye colors (gray, blue, green, and hazel), freckles, and sensitivity to ultraviolet light.
In Asia, genetic red hair is rare, but reddish-brown (auburn) hair can be found in the Levant (Syria, Lebanon, Jordan, Israel and Palestine), in Turkey, in Caucasia, in Northern Kazakhstan, among Uyghurs and among Indo-Iranians.
The use of henna on hair and skin for various reasons occasionally occurs in Asia.
The lower melanin concentration in skin confers the advantage that a sufficient concentration of important Vitamin D can be produced under low light conditions.