Causes of Seborrheic Alopecia in Women
Jul 07, 2021
Source: Cainiu Health
Dr. Li Ruizhi
Introduction
1. Follicular obstruction: Excessive sebum secretion accumulates around hair follicles, potentially compressing or blocking the follicular openings.
2. Excessive stress: Prolonged high-intensity mental work and frequent exposure to radiation from computers and office equipment can easily damage hair follicles.
3. Frequent perming and dyeing: Overly frequent hair coloring and perming can readily harm both hair and scalp.
Seborrheic alopecia, also known as androgenetic alopecia, is a progressive hair-thinning disorder that occurs during and after puberty. In women, it primarily manifests as progressive thinning and miniaturization of hair on the vertex (crown) of the scalp; in a minority of cases, it presents as diffuse hair thinning without recession of the frontal hairline. So, what are the underlying causes of seborrheic alopecia in women? Below, we address this question.
Causes of Seborrheic Alopecia in Women
1. Hair Follicle Obstruction
Excessive sebum secretion accumulates around hair follicles, potentially compressing or obstructing the follicular openings—thereby impeding normal hair growth. Moreover, elevated levels of fatty acids such as oleic acid and linoleic acid present in sebum can exert toxic effects on hair follicles, leading to hair toxicity, atrophy, and eventual shedding.
2. Excessive Psychological Stress
Prolonged engagement in high-intensity mental labor and frequent exposure to electromagnetic radiation from computers and office equipment may damage hair follicles. Furthermore, chronic stress and heightened psychological tension can impair scalp microcirculation and slow nutrient delivery to hair follicles. Over time, this may result in follicular obstruction and even follicular necrosis, triggering hair loss.
3. Frequent Hair Dyeing and Perming
Overly frequent dyeing and perming can easily damage both hair shafts and the scalp. Chemical agents in hair dyes and permanent wave solutions may excessively irritate hair follicles, resulting in hair shedding. Additionally, extreme dieting may lead to inadequate intake of proteins and trace elements, contributing significantly to hair loss.
Knowledge Expansion: How Is Seborrheic Alopecia Treated?
1. Pharmacological Therapy
Seborrheic alopecia is commonly caused by genetic predisposition or excessive sebum production. Under medical supervision, hormonal medications—such as finasteride tablets or minoxidil topical solution—may be prescribed. These agents effectively counteract follicular miniaturization and stimulate hair regrowth.
2. Hair Transplantation Surgery
Hair transplantation involves harvesting donor follicles from the occipital region (back of the scalp), where follicles are genetically resistant to androgen-induced miniaturization and thus remain permanently viable. Consequently, transplanted hair typically does not undergo further shedding. However, it is essential to undergo this procedure only at reputable, accredited medical institutions to avoid complications or worsening of the condition.
3. Balanced Nutrition
Since seborrheic alopecia is associated with seborrheic dermatitis, dietary modifications are recommended: avoid overly spicy foods and limit intake of high-fat foods (e.g., fatty meats, offal). Supplementing with trace elements and vitamins—such as those found in brands like Pure Encapsulations or Nutrilite—may be beneficial. Additionally, selecting appropriate shampoos can help mitigate hair loss.
The above outlines the primary causes of seborrheic alopecia in women. We hope this information proves helpful to you.
