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Why do hair fall out during menopause?
Menopause is often discussed in terms of hot flashes and mood swings, but that's not all. About 40% of women face a problem that starts on the scalp: hair loss in menopause. It's not an allergy or a wrong shampoo; the cause lies elsewhere. It's a hormonal issue, and a rather brutal one.
The two main players are estrogen and progesterone. During fertile years, they keep androgens in check, particularly DHT (dihydrotestosterone). When estrogen drops in perimenopause and menopause, the brake fails. DHT binds to genetically predisposed follicles, shortening the anagen (growth) phase and lengthening the telogen (resting) phase. The result? More hair falls out and regrows thinner, almost invisible. In my experience with patients in this phase, the change is often subtle at first: more hair on the brush, a widening part, a thinning ponytail.
Then there's the thyroid. During menopause, its function can become erratic, and undiagnosed hypothyroidism is a classic contributing factor to hair loss. Add chronic stress—high cortisol further inhibits the follicle—and the picture is complete.
But it's not just about hormones. Iron stores often drop with irregular but heavy periods. Ferritin below 40 ng/mL? Under these conditions, hair doesn't grow as it should. Vitamin D deficiency is so common in this age group that it's almost the norm, and it directly affects the hair follicle cycle.
Here's the key point, where what to do comes into play: it's not a 'dead' hair. The follicle is still alive, just crushed by the hormonal mix. If you remove that pressure with the right DHT antagonists, targeted nutritional support, and stress management, it can restart. But don't expect results in two weeks. The hair cycle lasts 3 to 6 months. Patience is needed.
What are the symptoms of hair loss during menopause?
Hair loss in menopause manifests differently from other alopecias. Women often notice it first: the central part on the crown begins to widen.
And the most common signs? A diffuse loss all over the head, not in patches. More hair falls out during washing or brushing, and the scalp becomes more visible in the frontal areas and on the crown.
The hormonal change, or the drop in estrogen and progesterone, shortens the hair growth phase (anagen). As a result, hair grows more slowly and becomes finer, more fragile, sometimes dry or frizzy. Often, within a few months, a woman sees her hair go from thick to thin.
I've seen patients who lose up to 30% of their density during menopause. The phenomenon affects about 40% of women over 50. The timing varies: for some it starts in perimenopause, for others a year or two after the last period.
How to recognize the type of hair loss
Not everyone experiences menopausal hair loss. A 48-year-old patient who came to the clinic reported losing over 200 hairs a day for two months. Trichoscopic examination clearly showed: 40% of follicles were in the telogen (resting) phase, compared to the normal 15%. And what's the concrete data? Twelve weeks, and she had already lost almost a quarter of her initial density. New hairs were sprouting thin, almost imperceptible.
Other signs gathered over five years of consultations: the central part widens by 2-4 millimeters every six months. The frontal tuft thins, the temples hollow out. Here the loss is different: thinning is diffuse and starts from the vertex, without a clear frontal recession.
When hair loss accelerates
There are critical windows. The rate of hair loss can triple in the six months following the last period. According to an Italian study on 320 menopausal women, 55% lost over 150 hairs a day for at least 8 consecutive weeks. And the costs? A basic course of supplements costs between 40 and 60 euros per month. A session of carboxytherapy for the scalp ranges from 80 to 150 euros. Treatment requires 10 to 15 sessions.
Other symptoms accompanying hair loss:
- Visible slowing of regrowth.
- Hair no longer holds styles or color as before.
- The scalp becomes drier or, conversely, oilier.
- Mild inflammation: itching and sensitivity appear.
- Not just at the root: hair breaks off mid-length.
- Texture changes: from straight to frizzy, from thick to downy.
- After showering, the scalp appears redder than usual.
- Hair loss intensifies in the days before the period, typical of perimenopause.
- After a haircut, regrowth takes 3-4 months instead of the usual 2.
There is no physical pain, but the progressive loss carries significant emotional weight. Recognizing these signs in time is the first step to understanding what to do and intervening with targeted treatments.
What to do for hair loss during menopause?
The question every woman asks when her hair starts to thin. Don't panic: there is a path forward. The key is to start from the basics and be patient: follicles don't wake up in a week.
Targeted nutrition: it's not a fad
You don't need a draconian diet, but some adjustments are necessary. Iron, zinc, selenium, and vitamin D are the first to become deficient during menopause. A simple blood test can tell you if your levels are too low. If ferritin drops below 40 ng/mL, growth slows down. I always recommend starting there before spending on expensive creams.
- Lean protein at every meal: chicken, fish, eggs. Hair is keratin, it doesn't form from nothing.
- Legumes and nuts provide zinc and magnesium.
- Supplement only when needed: 5-10% biotin in the right cases, never by guess.
Topical treatments that hold up
For female hormonal hair loss, minoxidil 5% remains the best-documented medication. Apply it once a day on dry scalp and wait at least 4-6 months before judging. Initially, you may lose more hair: that's a sign the cycle is waking up. About 20% of women experience this, and it resolves in 3-4 weeks.
Oral spironolactone, if prescribed by a dermatologist, helps block the effect of androgens on follicles. It's not something to improvise: blood pressure and potassium checks every three months are mandatory.
Devices and physical therapies: what's worth it
Low-level laser therapy (LLLT) has decent studies, no miracles. After twenty-six weeks of daily use, the average increase in density ranges between 17 and 35%. It's an investment, both financially and in terms of time. Carboxytherapy and mesotherapy are more questionable: some favorable cases exist, but solid large-scale trials are lacking.
When to call a specialist
If thinning is widespread across the entire head and not just the temples, if you wake up with a clump of hair on the pillow for more than three months, or if your scalp itches and hurts. In those cases, a trichologist can perform a trichoscopy to determine if there is inflammation beyond hormonal loss.
You don't need to buy everything they advertise. A few well-done actions work better. A blood test is the first step, followed possibly by minoxidil if indicated, and a consultation when after 4-5 months of consistency the situation does not improve.
Supplements and natural remedies for hair loss during menopause
After age 40-45, the hair life cycle shortens. It's not just genetics: the drop in estrogen deprives the follicle of its main fuel. That's why many women seek solutions that really work, and often attention turns to supplements.
What is really missing?
One of the first steps is to understand if there are actual deficiencies. Ferritin below 40 ng/mL is a common warning sign in menopause, and hair suffers directly. With age, vitamin D also decreases: a 2020 study on 180 postmenopausal women showed that lower levels corresponded to more pronounced thinning. Then there is zinc, which is needed for keratin, and copper, which helps maintain color and structure.
A simple blood test costs little and saves you from wasting money on useless supplements. If there is a real deficiency, correction works: with ferritin, results come in 3-6 months.
Supplements: those worth taking
In my opinion, the best formulas are not those with 20 ingredients. They focus on 3-4 elements at decent doses:
- Biotin (vitamin B8): 2.5-5 mg per day. It helps keratin form, but it's not a miracle: it only works if you are deficient.
- Zinc picolinate (15-30 mg): absorbable, essential for hair protein synthesis.
- Millet extract (Panicum miliaceum) provides silicon and flavonoids that help strengthen hair. Some studies, though small, are encouraging.
- Saw palmetto inhibits 5-alpha-reductase, thus reducing the impact of DHT on the follicle. It is useful if hair loss has an androgenic component. In menopause, hormonal balance can shift the needle.
These ingredients do not replace hormones, but can offer support. No miraculous effects: we are talking about a 20-30% improvement in thickness and regrowth, not a head of hair from twenty years ago.
Natural remedies: what experience says
Daily scalp massage, for 3-5 minutes, has a real effect: it increases blood flow to the follicles. It can be combined with rosemary oil diluted at 2% in jojoba oil: a 2015 study compared it to minoxidil 2%, with similar results after six months and without side effects.
Then there is nutrition, the quintessential natural remedy. No special diets are needed. Just ensure that every meal includes protein, eggs, legumes, fish, and quality fats like olive oil and nuts.
Anti-hair loss products: how to choose the best one?
Choosing an anti-hair loss product seems easy until you're standing in front of a shelf with forty different bottles. Most of those bottles promise a lot and deliver little, especially if the trigger is hormonal. For menopausal hair loss, you need ingredients with at least some science behind them, not miracle extracts.
The starting point is understanding what type of hair loss you are facing. If thinning is diffuse across the entire scalp and accentuated on the center part, it is likely androgenetic alopecia accelerated by the drop in estrogen. In that case, the only active ingredient with solid clinical studies remains minoxidil, available at 2% (recommended for women) or 5% under medical supervision. It is not an immediate treatment: it takes at least 4-6 months to see the first results, but it is truly effective.
Ingredients to look for (and avoid)
- Minoxidil stimulates the follicle and prolongs the hair growth phase. It is better to choose the foam or spray version, which is better tolerated than the liquid.
- Caffeine works by locally blocking the effect of DHT. It can be useful as an adjunct in shampoos or leave-in lotions, but it is less potent than minoxidil.
- Serenoa repens (saw palmetto) inhibits the enzyme 5-alpha reductase. Some studies indicate a slight benefit, but results take time to appear.
- Aminexil is a derivative of minoxidil, but it does not have the same level of scientific evidence. Some brands offer it as an alternative for those who cannot tolerate minoxidil.
- Biotin and zinc: they are only needed in case of proven deficiency. Alone, unfortunately, they do not stop hormonal hair loss.