Does Estrogen Cause Hair Loss? Hormone Effect on Hair Health

WrittenbyDr. Edna Skopljak, M.D.
Last updated

Hair loss is a concern that affects many individuals, particularly women, and understanding the underlying causes is essential. One hormone that often comes into the conversation is estrogen. While it is widely known that estrogen plays a crucial role in numerous bodily functions, its relationship with hair health is complex. In this article, we will explore the question: Does estrogen cause hair loss?

Does estrogen cause hair loss?

No, estrogen itself does not directly cause hair loss. In fact, estrogen is generally considered to promote hair growth and maintain a healthy hair cycle. Lower levels of estrogen, particularly during menopause or due to certain medical conditions, can lead to hair thinning or loss. The relationship between estrogen and hair loss is mainly linked to hormonal imbalances rather than the hormone itself being a direct cause of hair loss.

To delve deeper into this topic, it is essential to understand how estrogen functions in the body and its effects on hair follicles. Estrogen helps to prolong the growth phase of the hair cycle, known as the anagen phase, promoting thicker, healthier hair. When estrogen levels drop, such as during menopause or due to hormonal disorders, the anagen phase shortens, and the hair may enter the shedding phase (telogen phase) prematurely, leading to hair thinning and loss.

Moreover, the balance of other hormones, like androgens (male hormones), also plays a significant role in hair health. An increase in androgens can lead to a condition known as androgenetic alopecia, which is characterized by thinning hair and baldness. This condition can occur in both men and women and is often exacerbated by low estrogen levels.

Several factors can contribute to hair loss when estrogen levels are low:

  • Menopause: As women age, estrogen production decreases, particularly during menopause. This decline can lead to noticeable hair thinning.
  • Hormonal Imbalances: Conditions such as polycystic ovary syndrome (PCOS) can result in an imbalance of hormones, leading to increased androgen levels and hair loss.
  • Medications: Certain medications that affect hormone levels, such as hormonal contraceptives or hormone replacement therapy, can also influence hair growth.
  • Thyroid Issues: Thyroid hormones and estrogen levels are interconnected; thyroid dysfunction can lead to hair loss.

It’s important to recognize that hair loss is multifactorial, and while estrogen plays a role, it is not the sole contributor. If you are experiencing hair loss, it is advisable to consult with a healthcare provider to determine the underlying cause and appropriate treatment options.

In conclusion, estrogen does not cause hair loss; rather, it is a decline in estrogen levels that can lead to hair thinning and loss. Understanding this relationship helps in addressing hair loss effectively and can guide individuals towards appropriate treatments that take hormonal balance into account. Maintaining a healthy lifestyle, considering hormonal health, and seeking medical advice when necessary can help mitigate hair loss and promote overall hair health.

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Dr. Edna Skopljak, M.D.

About the Writer

Edna Skopljak, MDUniversity of Ljubljana, Faculty of Medicine

Edna Skopljak, MD is a clinical doctor at the University Medical Center Ljubljana and a PhD candidate in Biomedicine at the University of Ljubljana. She combines clinical work with research and medical editing, bringing a clear, evidence-based lens to patient education. Previously, she held roles in the pharmaceutical sector (product management and chief medical officer) and served as a medical production editor for the journal Biomolecules and Biomedicine.

Dr. Skopljak’s publications span clinical topics, including urology and orthopedics. She has co-authored work affiliated with the Department of Orthopedic Surgery at University Medical Centre Ljubljana. She trained in medicine with early clinical experience in Slovenia, reflecting a long-standing focus on practical, patient-facing care.

She strictly follows our Editorial Standards: All medical statements are grounded in authoritative guidelines, FDA labels, and peer-reviewed studies, with clear distinction between approved treatments and adjunctive options.