This is not a stereotype and a racist question because the question says most and that is correct. For example in southeast asia where temperatures are extremely hot nearly everyone has black hair. 3) certain traits can be considered human-default, as in the common ancestor of humans had it, most humans still have it, so the question of why does a human population have this trait is less relevant than why do some human populations not have this trait. So having said that, black hair seems like the clearly ancestral state, and so asian populations probably have black hair for the same reason almost all human populations have black hair. If what is being told to me is correct - then i, as an caucasian viewer, must imagine that at some point in asian history during a military conflict a young man was sought for a crime and a. Black hair is the darkest and most common of all human hair colors globally, due to larger populations with this dominant trait. It is a dominant genetic trait, and it is found in people of all backgrounds and ethnicities. It has large amounts of eumelanin and is more dense than other hair colors. In english, various types of black hair are sometimes described as soft-black, raven black, or. Its certainly more common, but there are african and african-descended people with hair of various shades of brown, blonde, and occasionally red. Many african are born with colors other than black hair, i cant speak for asians. It might look thicker because of the black color it has, but it isnt always thicker. This happens because people shampoo the hair too often or arent taking good care of the hair itself. So, how do you get thicker hair as an asian, you might be wondering. True! Asian hair is a very strong kind of hair, asian hair results of an adaptation of the cold climates in the past, thats why some nordic people have the same kind of hair. But asian hair can also be wavy and curly look at laotian people, chinese people, khmer people.