More than 90% of Han Chinese, 70% of Japanese and Thai people, and 60% to 90% of Native Americans carry the “thick hair" version of the gene. Meanwhile it's almost nonexistent in people of African and European descent.
The average diameter, or thickness, of Asian hair is from 80 to 120 µm, compared to 65 µm in Caucasian hair and 55 µm in Black hair. The average diameter of Hispanic/Latino hair tends to fall between that of Asian and Caucasian. Caucasians have the highest hair density among the ethnicities studied.
The genetic link
Scientists think many genes contribute to hair thickness. Research indicates that the EDAR gene, which influences hair follicle development, plays an important role in determining hair thickness.
The thickest strand of human hair is 772 micrometres (0.03 inches) and was plucked from the beard of Muhammad Umair Khan (Pakistan), in Lahore, Punjab, Pakistan, as verified on 3 March 2021.
To put it plainly, thick refers to the actual width of a single strand of hair, while density is how closely packed the hair follicles are on your scalp.
Genetic factors appear to play a major role in determining hair texture—straight, wavy, or curly—and the thickness of individual strands of hair. Studies suggest that different genes influence hair texture and thickness in people of different ethnic backgrounds.
To find out your hair's density, take a front section of your hair and pull it to the side. If you can visibly see sections of your scalp underneath or through the hair, then your hair is thin. If you barely see your scalp at all, your hair is thick.
Middle Eastern, South Asian, South American, and Native American. These varying races have something in common– thick hair.
Sweden. Livings standards, healthy lifestyles, geography, and diet are the primary factors why people in Sweden have the healthiest and beautiful hair.
You see, the women of the Red Yao tribe have some of the longest hair in the world – as in their hair is almost the same length as their height!
One popular myth is that hair loss in men is passed down from the mother's side of the family while hair loss in women is passed down from the father's side; however, the truth is that the genes for hair loss and hair loss itself are actually passed down from both sides of the family.
Unlike nuclear DNA, which comes from both parents, mitochondrial DNA comes only from the mother.
Asian hair the most dominant hair type in the world out speeds the rest with a growth rate of 1.3cm per month, and despite an estimated 80,000 to 140,000 scalp hairs, it usually has the least density.
Japan, Spain and Sweden are widely known for having people with healthy hair, but there are also other countries like India, France and Russia that are also known for helping people keep their hair natural and not messing with any artificial coloring.
Asian and black skin has thicker and more compact dermis than white skin, with the thickness being proportional to the degree of pigmentation. This likely contributes to the lower incidence of facial rhytides in Asians and blacks.
“The ethnicity with the least amount of terminal hair is Asian, whereas people of Hispanic and Middle Eastern descent typically have the most. Other ethnicities fall somewhere in between. So what's normal, hair-wise, for you might not be normal for someone of a different ethnic background.”
Blonde is Crowned the Sexiest Hair Colour of 2021!
The second sexiest hair colour is brunette, as more than three quarters of people (28.5%) voted this shade.
A general observation across experiments was that straight hair was perceived as younger, healthier, and more attractive than wavy hair and darker shades (medium copper and brown) were perceived more positively than blonde hair.
First things first, thick hair doesn't necessarily mean healthy hair. Some peeps desire thick hair because they associate it with fuller, healthier-looking hair. Many folks try to avoid thinner hair because of its perceived links to unhealthy hair and hair loss.
Asian hair has the greatest cross-sectional area among the three human hair types. African and Caucasian hairs have relatively equal cross-sectional areas that are smaller than Asian hair.
Thick and oftentimes wavy hair is common among Italians. Have you ever wondered what percent of Italians have curly hair? On average, most Europeans have straight or wavy hair.
More than 90% of Han Chinese, 70% of Japanese and Thai people, and 60% to 90% of Native Americans carry the “thick hair" version of the gene. Meanwhile it's almost nonexistent in people of African and European descent. Both age and sex can also affect your hair shaft thickness.
We may take this step for granted but it is important if we want to reap all the benefits of thick hair. Why? It helps maintain your hair's shape, it makes you look less unkempt, and it helps keeps the ends from drying out.
According to Umar, certain nutrients are essential to the thickness and growth of hair, like: Protein, which makes up hair follicles. Sources of protein include eggs, meat, and dairy products. Iron, which carries oxygen throughout your body, including hair follicles, and aids in cell repair and growth.