Menopause Masterclass: Why Your Hair Is Thinning and What Works

The 'Pause Life by Dr. Mary Claire Haver - The unPaused Podcast

In this solo episode of unPAUSED, Dr. Mary Claire Haver explains why hair loss in women over 40 is a medical condition with real, identifiable causes rather than a cosmetic complaint to be dismissed as stress or aging. She starts with the biology of the hair growth cycle, describing the growth, transition, and resting phases and how normal daily shedding compares with the kind of hair loss that signals a problem. She also outlines the warning signs that require prompt evaluation by a dermatologist, including bald patches, a receding hairline, and scalp scarring, redness, scaling, or burning.

Dr. Haver walks through the most common types of hair loss in midlife women. She explains how androgenetic alopecia, also known as female pattern hair loss, often appears as a widening part and thinning at the crown while the hairline stays intact. She explains the hormonal mechanism behind it, including how the balance between estrogen and androgens like testosterone and dihydrotestosterone shifts as estrogen declines, leading to follicle miniaturization over time.

Next, she covers telogen effluvium, the dramatic shedding that can appear months after pregnancy, illness, surgery, significant stress, or rapid weight loss, including weight loss associated with GLP 1 medications. Dr. Haver explains why this type of shedding occurs, when it is likely to resolve, and how an underlying trigger that is not addressed can lead to ongoing hair loss.

A big focus of the episode is iron deficiency, one of the most frequently missed contributors to female hair loss. Dr. Haver explains why ferritin needs to be checked even when standard blood counts appear normal. She also covers thyroid dysfunction, low vitamin D, low vitamin B12, zinc imbalance, inadequate protein intake, and medications that may contribute to thinning hair. She details the lab work women should request and what to bring to a clinician appointment, including scalp photos, a medication and supplement list, and a record of nutrition and protein intake.

On treatment, Dr. Haver begins by addressing iron, thyroid, protein, and vitamin deficiencies. She then reviews topical and oral minoxidil, finasteride, spironolactone, platelet rich plasma, microneedling, low level laser therapy, and hair transplantation. She discusses whether hormone replacement therapy can treat hair loss, which supplements have supporting evidence, and why biotin is unlikely to help without a true deficiency. The episode closes with a practical plan for documenting hair loss, requesting the right tests, and addressing the underlying causes.

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In this solo episode of unPAUSED, Dr. Mary Claire Haver explains why hair loss in women over 40 is a medical condition with real, identifiable causes rather than a cosmetic complaint to be dismissed as stress or aging. She starts with the biology of the hair growth cycle, describing the growth, transition, and resting phases and how normal daily shedding compares with the kind of hair loss that signals a problem. She also outlines the warning signs that require prompt evaluation by a dermatologist, including bald patches, a receding hairline, and scalp scarring, redness, scaling, or burning.

Dr. Haver walks through the most common types of hair loss in midlife women. She explains how androgenetic alopecia, also known as female pattern hair loss, often appears as a widening part and thinning at the crown while the hairline stays intact. She explains the hormonal mechanism behind it, including how the balance between estrogen and androgens like testosterone and dihydrotestosterone shifts as estrogen declines, leading to follicle miniaturization over time.

Next, she covers telogen effluvium, the dramatic shedding that can appear months after pregnancy, illness, surgery, significant stress, or rapid weight loss, including weight loss associated with GLP 1 medications. Dr. Haver explains why this type of shedding occurs, when it is likely to resolve, and how an underlying trigger that is not addressed can lead to ongoing hair loss.

A big focus of the episode is iron deficiency, one of the most frequently missed contributors to female hair loss. Dr. Haver explains why ferritin needs to be checked even when standard blood counts appear normal. She also covers thyroid dysfunction, low vitamin D, low vitamin B12, zinc imbalance, inadequate protein intake, and medications that may contribute to thinning hair. She details the lab work women should request and what to bring to a clinician appointment, including scalp photos, a medication and supplement list, and a record of nutrition and protein intake.

On treatment, Dr. Haver begins by addressing iron, thyroid, protein, and vitamin deficiencies. She then reviews topical and oral minoxidil, finasteride, spironolactone, platelet rich plasma, microneedling, low level laser therapy, and hair transplantation. She discusses whether hormone replacement therapy can treat hair loss, which supplements have supporting evidence, and why biotin is unlikely to help without a true deficiency. The episode closes with a practical plan for documenting hair loss, requesting the right tests, and addressing the underlying causes.

Guest Resources:

Books:

Articles:

Other Resources:

2026-09-15
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