---
title: "Hair Thinning in Perimenopause and Menopause: Why It Happens and What Actually Helps"
entity: "blog"
canonical_url: "https://www.dramytung.com/blog/hair-thinning-in-perimenopause-and-menopause-why-it-happens-and-what-helps"
markdown_url: "https://www.dramytung.com/llms/blog/hair-thinning-in-perimenopause-and-menopause-why-it-happens-and-what-helps"
lastmod: "2026-11-09T12:22:00.000Z"
---

"My ponytail feels thinner, my part looks wider, and there is hair everywhere. Is this just aging?"

I hear this from my patients weekly, usually from women in their 40's and 50's who are already juggling hot flashes, poor sleep, and a changing body. Hair is deeply tied to how we feel about ourselves, so thinning hair can be genuinely distressing. You are not being vain, and you are not imagining it.

The good news: hair thinning in midlife is common, it usually has identifiable contributors, and many of them are treatable. Let's walk through why it happens and what actually helps.

## Why Hair Changes in the Menopausal Transition

Your hair follicles are hormone-sensitive and several things shift at once during the [menopausal transition](/blog/understanding-menopause-symptoms-stages-and-what-to-expect).

- Estrogen and progesterone decline. Estrogen helps keep hair in its active growth phase for longer. As levels fluctuate and fall, more follicles slip into the resting and shedding phase, and strands can become finer. This is one of the most common reasons for postpartum hair loss in women after childbirth.
- Androgen sensitivity increases. As estrogen drops, the relative influence of androgens (like testosterone, Dihydroxytestosterone (DHT) and DHEA) rises. In genetically susceptible women, this miniaturizes follicles at the crown and part line. This pattern is called female pattern hair loss.
- Thyroid changes. Thyroid conditions become more common in midlife and can cause diffuse thinning, dry hair, and shedding. Symptoms overlap with perimenopause, so it is easy to miss.
- Low iron and low iron stores (ferritin). Heavy periods in perimenopause can quietly drain iron stores. Hair is one of the first places this shows up, often before your hemoglobin looks low.
- Insulin resistance. Metabolic changes in midlife, and conditions like PMOS (formerly PCOS), can increase androgen activity and worsen thinning.
- Chronic stress and poor sleep. A stressful event, illness, or months of broken sleep can trigger telogen effluvium, a sudden increase in shedding that typically appears two to three months later.
- Rapid weight loss and low protein intake. Crash diets, and sometimes GLP-1 medications, can reduce protein and micronutrient intake. See my article on [nutrient deficiencies on GLP-1 medications](/blog/nutrient-deficiencies-on-glp-1-medications-the-hidden-risks-of-rapid-weight-loss) for what to watch for.

## Shedding vs. Thinning: What Are You Seeing?

It helps to know which pattern you have:

- Diffuse shedding (more hair on the brush, drain, and pillow, all over the scalp) often points to telogen effluvium, iron or thyroid issues, or nutritional gaps.
- Widening part or thinning at the crown suggests female pattern hair loss.
- Thinning at the temples or hairline , or patchy loss, needs a closer look from your doctor or a dermatologist.
Some shedding is normal. Losing 50 to 100 hairs a day is typical. If you are noticing a clear change in volume, it is worth investigating.

## Start With the Right Testing

Before buying another supplement, find out what is actually going on. I commonly recommend asking your primary care provider or naturopathic doctor about:

- Ferritin and a complete blood count. Many practitioners aim for a ferritin well above the lab's bare minimum (30 ng/mL), often 75 ng/mL or higher for hair, but this should be individualized.
- TSH, and sometimes free T4, free T3, and thyroid antibodies.
- Vitamin D and vitamin B12.
- Fasting glucose, fasting insulin, and HbA1c if insulin resistance is a concern.
- Hormone testing when appropriate , such as testosterone, DHEA-S, and others if signs of excess androgens are present. Hormone levels fluctuate a lot in perimenopause, so results must be interpreted in context.
Scalp conditions, medications, and autoimmune causes such as alopecia areata can also play a role, so a hands-on scalp exam is valuable.

## What Actually Helps

There is rarely one magic fix. A layered approach works best, and hair needs patience: it takes three to six months to see meaningful change.

1. Correct the deficiencies. If your ferritin is low, replenishing iron (with your practitioner's guidance) can make a real difference. Please do not supplement iron blindly, since too much is harmful. If heavy periods are the cause, address them too. See my guide on [heavy menstrual bleeding in perimenopause](/blog/heavy-menstrual-bleeding-relating-to-perimenopause-causes-and-management-options).

2. Eat enough protein. Hair is made of keratin, a protein. Aim for protein at every meal, often 25 to 40 grams depending on your size and activity, along with a variety of colourful vegetables, healthy fats, and zinc- and selenium-containing foods in food form.

3. Consider menopause hormone therapy (MHT). For women who are candidates, MHT may help improve hair density and quality as part of treating other menopausal symptoms, though it is not a proven stand-alone treatment for hair loss and results vary. Progestogen type can matter for women prone to androgen-driven thinning. Read more in my [MHT dosing guide](/blog/menopause-hormone-therapy-mht-dosing-explained-cyclical-vs-continuous-hormone-therapy-for-menopause).

4. Look at evidence-based hair treatments. Topical minoxidil foam (5%) is the best-studied over-the-counter option for female pattern hair loss, and shedding often increases briefly in the first weeks before regrowth. Low-dose oral minoxidil, spironolactone, and other prescription options are used by some physicians and dermatologists in the right patient. These are medical decisions and are not appropriate for everyone, particularly with certain heart or blood pressure conditions or pregnancy plans.

5. Support sleep and calm your nervous system. Stress and sleep loss feed shedding. My articles on [sleep in perimenopause](/blog/sleep-problems-in-perimenopause-and-menopause-causes-and-solutions) and [perimenopause anxiety](/blog/perimenopause-anxiety-why-you-feel-on-edge-and-what-helps) offer practical steps.

6. Be gentle with your hair and scalp. Reduce tight hairstyles, very hot tools, and harsh chemical treatments. Wash regularly, since a healthy scalp supports healthy follicles. Many women also like scalp massage and gentle volumizing products as a cosmetic boost while the underlying causes are treated.

7. Be cautious with supplements. Biotin is overpromoted and only helps if you are truly deficient. Biotin can also interfere with lab tests, including thyroid and troponin, so tell your provider if you take it. Collagen, marine peptides, saw palmetto, and others have limited or mixed evidence. If you want to try a supplement, choose one thing at a time, review it for interactions, and give it a full three to six months.

## When to Get Checked Sooner

Please see your doctor promptly if hair loss is sudden or patchy, comes with scalp pain, scaling, or redness, or appears along with fatigue, unexplained weight changes, new facial hair growth, or irregular bleeding.

## The Bottom Line

Hair thinning in midlife is real, common, and rarely just one thing. Hormones set the stage, but iron, thyroid, blood sugar, stress, and nutrition often decide how much it shows. When we test thoughtfully and treat the underlying contributors together, many women see their hair improve and, just as importantly, feel in control again.

Start with one step this week: book the bloodwork, add protein at breakfast, or protect your sleep. Small changes add up.

To your best health,

Dr. Amy J. Tung, ND, MSCP

Naturopathic Doctor | Menopause Society Certified Practitioner

This article is for educational purposes and is not a substitute for personalized medical advice.

## Interested in learning more about working with me?

Book a free discovery call virtually (Ontario residents only).

Book Now