The Etiological Correlation of Seven Common Types of Alopecia

May 2025

Sang Hye Ji, Xinrui Li

alopecia androgenetic alopecia alopecia areata frontal fibrosing alopecia seborrheic dermatitis hormones microorganisms immune dysregulation

TLDR Alopecia is caused by hormones, microorganisms, and immune issues.

The document discusses the increasing prevalence of alopecia in China and its impact on individuals' daily life and mental health. It highlights the multifactorial etiology of alopecia, including genetic, environmental, and disease-related factors, and the lack of comprehensive research on its specific causes. The article reviews several common types of alopecia, such as androgenetic alopecia, alopecia areata, frontal fibrosing alopecia, and seborrheic dermatitis, to clarify their specific causes and interrelationships. It proposes three biological indicators for triggering alopecia: hormones, microorganisms, and immune dysregulation, which could aid in the diagnosis and treatment of alopecia.

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