It is estimated that more than 90 percent of people in the world have brown or black hair. Some people have variations in one copy of the MC1R gene in each cell that causes the gene to be turned off (deactivated). This type of genetic change is described as loss-of-function.
Brown hair, also referred to as brunet (male) or brunette (female), is the second most common human hair color, after black hair. It varies from light brown to a medium dark hair. It is characterized by higher levels of the dark pigment eumelanin and lower levels of the pale pigment pheomelanin.
Red is the rarest hair color, according to Dr. Kaplan, and that's because so few MC1R variants are associated with the shade. “Only three variants are associated with red hair,” she says. “If a person has two of these three variants, they almost certainly have red hair.
The United States has predominantly black and brown hair in the population, with 85 percent for black hair and 11 percent for brown hair. Authentic blonde hair makes up only two percent of the population, and authentic red hair, the rarest hair color of all, makes up only one percent of the American population.
Black hair is by far the most common natural hair colour in the world. In fact, around 75 to 85 percent of the people in the world have some shade of black hair.
Blonde is Crowned the Sexiest Hair Colour of 2021!
When asked which hair colour they think is sexiest, almost a third of people said they have no preference. However, of those who did have a colour preference: Most say that blonde hair is the sexiest (31.5%)
Just as with blonde hair, red hair requires a little extra tender love and care. Hack admits that red hair is his favorite to color, but that she's noticed many women don't realize the extent of after-care that's needed. “Red is the hardest color to keep lustrous and the hardest color to remove,” she adds.
People with dark brown hair also exist in the Middle East, Central America, and Central and South Asia. In some regions of East Asia, people have hair with an extremely dark brown color, which can be easily confused with black. The same is also true for parts like Pakistan and South America.
People with brunette hair are the most attractive.
By presenting pictures of the same woman with different dye hair colors, the researchers found that out of the population analyzed, 67 percent of men preferred the woman with brunette hair and 71 percent of women chose the man with brunette hair.
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. Black hair contains a large amount of eumelanin pigmentation, a type of melanin.
In concurrence with both earlier studies, the results of this study indicated red hair as the least preferred hair color. In the Likert scale positive characteristic evaluation, as well as in the survey questions, brunettes were given the highest ratings of all three categories.
Brown hair is the second most common human hair color, after black. Brown hair is characterized by higher levels of eumelanin and lower levels of pheomelanin. Of the two types of eumelanin (black and brown), brown-haired people have brown eumelanin; they also usually have medium-thick strands of hair.
Hair type 1A is super-straight. It doesn't even hold a curl! 1A is the rarest hair type. It is usually found on people of Asian descent.
Red Hair
Red is the rarest natural hair color in the world. Currently, only 1 to 2% of the entire population has naturally red hair.
Unsurprisingly, people with this hair color have plenty of eumelanin. In the world, about 70% of the population has black hair or a variation of black hair. These people are mostly concentrated in three regions and continents namely Africa, pre-Columbian Americas, and Asia.
The study of 10,878 people found blonde-haired white women had an average IQ of 103.2, compared to 102.7 for those with brown hair, 101.2 for those with red hair and 100.5 for those with black hair.
Numerous studies point to brunette hair being more attractive. Take this 2011 study from dating app Badoo, for example. A couple of thousand UK men were polled and 33.1% of them revealed they found brunettes more attractive than blondes.
According to a survey of 1,000 men, 54 percent would prefer a brunette as their wife, 16 percent prefer a blond, and 30 percent have no preference. Apparently, redheads were left out of this survey, but don't fret you fiery-maned ladies—it's probably best to be left out of this nonsense.
Brown hair was portrayed as mature, sophisticated, and smart while redheads were seen as bold, passionate, and fierce. These stereotypes are still seen today, even in mainstream media.
Brown eyes are common in Europe, East Asia, Southeast Asia, Central Asia, South Asia, West Asia, Oceania, Africa and the Americas. Light or medium-pigmented brown eyes can also be commonly found in South Europe, among the Americas, and parts of Central Asia, West Asia and South Asia.
Interestingly enough, dark brown eyes are most common in Southeast Asia, East Asia and Africa. Light brown shades are most often seen in West Asia, Europe and the Americas.
It's not your imagination — red hair dye does fade faster than other hair color shades.
Red is at the top of the list of quick-fading hair colors. This is because red hair dye molecules are extremely large compared to those of other colors.