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Why is Korean hair so thick?

Why is Korean Hair So Thick?


Korean hair is known for its thickness and lusciousness. Many people wonder why Korean hair is so thick, and there are several factors that contribute to this. In this article, we will explore the reasons behind Korean hair’s thickness and what makes it unique.

Genetics Play a Role:

One of the main reasons Korean hair is so thick is due to genetics. Koreans have a specific set of genes that contribute to their hair’s thickness. These genes produce thicker hair strands than other ethnic groups. This genetic factor is why many Koreans have naturally thick hair, even without any special treatments.

Diet Can Affect Hair Thickness:

Diet plays a significant role in hair health, and a healthy diet can contribute to thicker hair. Korean cuisine is rich in nutrients that promote healthy hair growth. Foods such as kimchi, sesame oil, and seaweed contain vitamins and minerals that help nourish the scalp and promote thick, healthy hair.

Cultural Hair Care Practices:

Korean culture places a high value on maintaining healthy and beautiful hair. Traditional practices such as scalp massages, using natural ingredients like ginseng and green tea, and avoiding harsh chemicals like sulfates or silicones can help maintain the thickness of Korean hair.

Environmental Factors:

Korea’s climate also contributes to the thickness of Korean hair. The humid climate helps keep the scalp moisturized, which promotes healthy hair growth. Additionally, Korea’s proximity to the ocean means that many Koreans have access to nutrient-rich seawater that can benefit their hair health.

Hairstyling Techniques:

Koreans have developed unique hairstyling techniques over time that can contribute to the appearance of thicker hair. Techniques like perming, texturizing, and layering can add volume and thickness to the hair, making it look fuller and more voluminous.

Hair Products:

Korean hair products are often formulated to address specific hair concerns, including thinning or weak hair. Many Korean hair products contain natural ingredients like ginseng, green tea, and bamboo that help promote healthy hair growth and thickness.


Hormonal imbalances can also contribute to hair thickness. Many Koreans have a higher level of the hormone dihydrotestosterone (DHT), which is known to promote thicker hair growth. This hormonal factor is why many Korean men have thick facial hair as well.

The Role of Age:

As we age, our hair naturally begins to thin. However, many Koreans maintain their thick hair well into their later years. This could be due to a combination of genetic factors, diet, and lifestyle choices that help maintain the health and thickness of their hair.

Hairstyling Trends:

In recent years, Korean hairstyling trends have become increasingly popular around the world. Many of these trends involve voluminous hairstyles that give the appearance of thicker hair. These trends have helped bring attention to the unique thickness of Korean hair.


In conclusion, there are several factors that contribute to the thickness of Korean hair. Genetics, diet, cultural practices, environmental factors, and hairstyling techniques all play a role in maintaining the health and fullness of Korean hair. While not everyone may have naturally thick hair, incorporating some of these practices into your routine can help promote healthy hair growth and thickness.

Why do Asians have thicker hair?

The cuticle layer of Asian hair is denser and has more tightly packed cells compared to Caucasians. This results in stronger mechanical properties in Asian hair due to genetic variations, particularly in the ectodysplasin A receptor gene, which also determines the cross-sectional area of the hair.

Why do Koreans have the best hair?

Korean women use hair oils or essences every day, as advised by a hair stylist, resulting in their smooth, shiny hair. The M’s Organics Annatto Hair Oil is a preferred choice of Cho, while Lee recommends the Mise en Scene Pearl Shining Hair Essence.

How to get thick hair like Asians?

Incorporating natural oils like coconut, jojoba, argan, and olive oils into your hair care routine can help strengthen your hair and give it a fuller, healthier look. While the oil produced naturally by your scalp may make your hair appear flat, adding these natural oils can revive its shine and improve its overall appearance.

What race has thickest hair?

Compared to other ethnic hair types, Caucasian hair often appears thicker because it is harder to see through the scalp. However, Asian hair is actually the thickest and coarsest hair of any ethnic group.

What ethnic groups have thick hair?

The gene for “thick hair” is present in over 90% of Han Chinese, 70% of Japanese and Thai individuals, and 60-90% of Native Americans. However, it is very rare among people of African and European ancestry.

How often do Korean wash their hair?

Koreans tend to wash their hair daily due to environmental pollution such as fine dust and gas emissions, while Americans generally wash their hair every 2-3 days with the belief that it is better for the health of their hair.


Stress is known to have a negative impact on hair health, and chronic stress can lead to hair thinning or loss. However, many Koreans practice stress-reducing activities such as yoga, meditation, or spending time in nature. These practices can help reduce stress levels and promote healthy hair growth.

Personal Hygiene:

Maintaining good personal hygiene is essential for healthy hair growth. Koreans place great emphasis on cleanliness, and they often use gentle shampoos and conditioners that are free from harsh chemicals. They also avoid using hot water when washing their hair, as it can strip the hair of its natural oils and lead to dryness.

Cultural Significance:

In Korean culture, thick hair is often seen as a symbol of beauty and femininity. As a result, many women take great care in maintaining the thickness of their hair. This cultural significance has also led to the development of various traditional hair accessories, such as ornamental combs or hairpins.

Hair Color:

Korean women are known for experimenting with various hair colors, from natural brown shades to bold neon hues. However, frequent coloring can damage the hair and lead to thinning or breakage. Many Koreans opt for gentle coloring techniques that do not damage the hair, such as balayage or ombre.

Styling Tools:

Using the right styling tools can help maintain the thickness of Korean hair. Koreans often use wide-toothed combs or brushes with natural bristles that do not damage the hair. They also avoid using heat styling tools like flat irons or curling wands too frequently, as they can cause heat damage and lead to thinning or breakage.


Overall, the thickness of Korean hair is due to an interplay of genetic, environmental, and cultural factors. While some of these factors may be out of our control, there are steps we can take to maintain the health and fullness of our hair. By incorporating healthy habits like a balanced diet, gentle hair care practices, and stress-reducing activities, we can promote healthy hair growth and maintain the thickness of our hair.

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