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By Vanessa Lyn Gonzales | 5 min read
Hair loss has many possible causes. Thyroid imbalance.
Iron deficiency. Post-illness shedding.
Crash dieting. But for women in their 40s and 50s, one of the most common — and most frequently undiagnosed — drivers is hormonal change.
The problem is that hormonal hair loss in women looks different from other types of hair loss, and it develops differently too. It rarely announces itself dramatically.
It arrives quietly, over months, until one day you notice your parting looks wider, or your ponytail feels thinner, or the shower drain is telling a story you cannot ignore.
Here are six signs that what you are experiencing may be hormonal — and why recognising this matters for how you approach it.
Here is what the research actually shows.
Sign 1: Your hair is thinning across the crown and parting, not at the temples
Female hormonal hair loss has a distinct pattern. Unlike the receding hairline typically seen in men, hormonally-driven hair thinning in women tends to present as diffuse thinning across the top of the scalp — particularly visible at the crown and along the central parting.
If your parting looks noticeably wider than it did a few years ago, or if the hair at the crown appears flatter and less dense, this is a pattern characteristic of hormonal change rather than other types of hair loss.
Sign 2: It began or worsened during your 40s or early 50s
The hormonal changes of perimenopause typically begin in the early to mid-40s — often years before the final menstrual period. Hair changes frequently begin during this window.
If you can trace the beginning of your hair concerns to somewhere in this period — even if you are still having regular periods — the timing alone is a meaningful indicator. In a survey of over 6,000 women, around half reported noticeable hair thinning during perimenopause.
Sign 3: Your hair texture has changed, not just its volume
Hormonal hair loss during the menopausal transition does not only affect the number of hairs. It affects the quality.
Many women describe their hair as having "turned to straw" — becoming drier, more brittle, and harder to manage than it was previously. This texture change is a direct result of declining oestrogen, which plays a role in maintaining the moisture content of the hair shaft.
If you are experiencing both thinning and a significant change in texture, the hormonal picture is the most likely explanation.
If you recognise what's described above, ThickTails has built a detailed guide to perimenopause and menopause hair changes — covering the hormonal science and how to build a consistent routine around it. Read the full guide here →
Sign 4: Your shedding is cyclical or worsened during hormonal events
Do you notice more shedding at certain times of the month, or did shedding worsen around a specific hormonal event — stopping contraception, for example, or a stressful period that seemed to trigger a permanent shift? Hormonal hair loss is characterised by sensitivity to hormonal fluctuation.
If your hair seems to respond to hormonal shifts rather than to external factors like diet or hair treatment, the underlying mechanism is almost certainly hormonal.
Sign 5: Your blood tests came back "normal" but you are still losing hair
This is perhaps the most common point of frustration for women with hormonal hair loss. Standard blood tests check for obvious deficiencies and conditions — thyroid, iron, B12.
If these come back within range, many women are told there is nothing to investigate further. But "within normal range" for iron, for example, may mean a ferritin level that is adequate for general health but below the threshold considered optimal for hair follicle function.
It is worth asking your GP specifically about your ferritin level and whether it is in the range associated with healthy hair growth, rather than simply the general normal range.
“Hormonal hair loss looks different from other types of hair loss, and it develops differently too. It arrives quietly, over months.”
Sign 6: Other menopausal symptoms are present alongside the hair changes
Hot flushes, night sweats, irregular periods, mood changes, disrupted sleep — these are all symptoms of the same underlying hormonal shift. If you are experiencing hair changes alongside any of these, the most parsimonious explanation is that they share the same cause: the oestrogen and progesterone decline of perimenopause and menopause.
The presence of other menopausal symptoms alongside hair changes is a strong indicator that the hair changes are hormonal in origin.
Why the distinction matters
Identifying hormonal hair loss as the specific type of hair loss you are experiencing matters, because the approach is different. Generic volumising products, protein treatments, and scalp massages may improve how your hair looks and feels.
But addressing hormonal hair loss specifically requires attention to the mechanisms involved — particularly the role of DHT, which becomes more active relative to oestrogen during the menopausal transition.
Certain botanical ingredients — including saw palmetto extract, topical caffeine, and red clover — have published clinical research supporting their use in this context. They work at the level of the follicle and the scalp environment, addressing the hormonal mechanism rather than simply managing the appearance of its effects.
Consistency matters more than almost anything else. The hair growth cycle is slow, and any meaningful change takes a minimum of 90 days to manifest visibly.
Recognise any of these signs? Here's where to start.
ThickTails has developed a guide specifically for women navigating hormonal hair changes during perimenopause and menopause — covering the science and how to build a targeted, consistent routine. Use code HORMONEAWARE15 for 15% off your first order.
Build Your Hormone-Aware Routine →
Clinical references
1. Dhurat R, et al. "An Open-Label Randomized Multicenter Study Assessing the Noninferiority of a Caffeine-Based Topical Liquid 0.2% versus Minoxidil 5% Solution in Male Androgenetic Alopecia." Skin Pharmacology and Physiology, 2018. View on PubMed →
2. Evron E, et al. "Natural Hair Supplement: Friend or Foe? Saw Palmetto, a Systematic Review in Alopecia." Skin Appendage Disorders, 2020. View on PubMed →
3. Lueangarun S, Panchaprateep R. "An Herbal Extract Combination (Biochanin A, Acetyl Tetrapeptide-3, and Ginseng Extracts) versus 3% Minoxidil Solution for the Treatment of Androgenetic Alopecia." Journal of Clinical and Aesthetic Dermatology, 2020. View on PubMed Central →
Vanessa Lyn Gonzales writes about women's health, hormonal transitions, and midlife wellbeing. This article is for informational purposes and does not constitute medical advice. Please consult your GP or a qualified trichologist regarding any health concerns.
