TLDR Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
The study, which included 511 healthy volunteers from African, Asian, and Caucasian backgrounds, found significant differences in hair growth characteristics across these ethnic groups. African participants had low hair growth and density, Asians had a high growth rate but low density, and Caucasians had high hair density. There was also considerable variability within each group. Additionally, alopecia was more common in men than women across all groups, with Asian men having the lowest and Caucasian men the highest prevalence. The research highlighted the need for more detailed studies to understand the diversity within each ethnic category.
25 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
234 citations,
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April 2025 in “Diagnostics” Managing inflammation and using vitamins can improve PRP therapy for better hair growth.
April 2025 in “Advances in Traditional Medicine” Rosemary essential oil spray can effectively increase hair density in alopecia treatment.
