Black people have the lowest growth rate of hair but the highest eumelanin content. Breakage is increased or faster in this hair type. This group also has smaller hair cuticles than other ethnicities.
African Americans have the lowest hair density, averaging around 130 hairs per square centimeter and about 60,000 hair follicles on an adult scalp.
African hair
It has the slowest growth rate of 0.9 centimeters per month due to its spiral structure which causes it to twist on itself as it grows. African hair has a flattened shape. The density of African hair is slightly higher than Asian hair.
According to a global study based on 4 characteristics that determine healthy hair – thickness, tensile strength, shine, and smoothness – Indian women have the best hair in the world.
Human hair comes with all sorts of colors, textures and shapes. Notably, African hair is more coiled and dry; Asian hair is straighter and thicker; and Caucasian hair is somewhere in between with around 45% having straight hair, 40% having wavy hair, and 15% having curly hair.
Yes, East Asians can have naturally curly hair.
We believe one of the reasons is that super-straight hair — also known as type 1a hair — is so rare. In fact, it's the rarest hair type. Only 2% of the world's population has 1a hair. It's mostly found in people of Asian descent.
(Another fun fact: While men experience their thickest hair in their 20s, many women experience their thickest head of hair in this decade.)
Middle Eastern, South Asian, South American, and Native American. These varying races have something in common– thick hair. Brushing out thick hair is aided by deep conditioners that ensure the product penetrates through all the layers.
African American women spend the most on hair care each month, with 21 percent spending more than 25 percent of their monthly budget on hair care compared to only five percent of Caucasian women.
Certain races have higher rates of hair loss compared to others. Caucasians have the highest rates out of all the ethnic groups. On the opposite end of the spectrum, Native American Indians, Inuits, and Chinese have the lowest rates.
Hair Growth Rate
Asian hair shows the fastest growth rate in comparison to the other two hair types. African hair has the lowest growth rate.
According to the same Quora study, China is the country with the least number of bald men. Other countries like Japan, Thailand, South Korea, Taiwan, and Malaysia also have a lower prevalence of baldness.
It has been reported that Asian hair is generally straight and is the thickest, while its cross-section is the most round-shaped among these three. Caucasian hair is generally straight or wavy and is the thinnest, while its cross-section is relatively elliptic.
Many Asians have naturally straight hair, but there is a significant group of us who do have naturally curly or wavy hair! However, because it's the norm to see straight and sleek hair, curly haired boys and girls tend to think that their hair is some kind of unruly straight hair that isn't behaving.
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.
There are scientific differences between hair ethnicities and East Asian hair is stronger, more resilient to damage and less prone to hair loss than other hair types. East Asian hair facts: * East Asian hair has twice the diameter and a much thicker cuticle than Caucasian hair.
The reason Asian hair tends to be thicker is that it has around 10 layers of cuticles. Cuticles are the small areas around the inner protein structure of your hair–they are there to protect those proteins.
Your Genes
If your parents developed gray hair at a young age, chances are you will, too — and there's not much you can do about it. Race also plays a role in how early your hair turns gray. For instance, gray hair tends to occur earlier in Caucasians but later in Asians.
Hair will generally be at its best in the early 20s, says Burg, because “hair shafts are thick and cuticles are tight.” Women may see changes if they are stressed, extreme dieting or using contraception.
In your 60s+
Your hair at this age: Sebum (oil) secretion tends to diminish in our 60s and 70s+, and this can make the hair dry and brittle. Our haemoglobin levels also tend to decrease during at this time of life, and this can affect hair health.
Many hair follicles stop producing new hairs. Men may start showing signs of baldness by the time they are 30 years old. Many men are nearly bald by age 60.
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.
According to the survey, the majority of men (42%) found blonde hair to be the most attractive. This was followed by brunette (36%), red (16%), black (5%), and gray (1%).
Despite its popularity, strawberry blonde hair only occurs naturally in between 1 and 2 percent of the world's total population — which means it takes hair color and technique to make it happen for the rest of us. In fact, it's a hue that's been rare yet in demand for centuries.