Hair thinning in menopause

A gradual thinning over the crown and front of the scalp — while the hairline itself stays put — is one of the more under-discussed changes of menopause. A 2022 dermatology review found a measurable reduction in the proportion of growth-phase (anagen) hairs in postmenopausal women, most noticeable over the frontal scalp rather than the back of the head.

What this usually is: female pattern hair loss

The most common pattern — female pattern hair loss (FPHL), also called androgenetic alopecia — presents as thinning over the frontovertical scalp with the frontal hairline itself preserved. It commonly presents around menopause, though it can start earlier. Importantly, the review notes that the vast majority of women with FPHL have normal androgen (testosterone) levels — reduced estrogen is thought to be the more relevant factor, not excess male hormones.

When testing is actually needed

Unless hair loss is severe or sudden in onset, blood tests usually aren't required to diagnose FPHL. Testing for testosterone and prolactin becomes relevant specifically if you also have other signs of excess androgens — such as new facial hair growth, severe acne, or irregular periods — which would point toward a different underlying cause worth investigating. The review also lists chronic telogen effluvium (widespread shedding, often tied to a triggering event) and diffuse alopecia areata as other conditions to rule out if the pattern doesn't fit typical FPHL.

What has evidence behind it — and what doesn't

Option	Evidence grade	What the research shows
Topical minoxidil (2% solution 1–2x/day, or 5% foam once daily)	Moderate to strong	First-line treatment option for FPHL; can cause scalp irritation
Hormone therapy (HRT)	Not supported	Insufficient evidence to support a role specifically for female pattern hair loss
"Hair growth" or collagen supplements	Not supported	Not addressed by this evidence base as an effective treatment; check any specific product in our Does It Work? evidence directory

Hair-care habits — flat irons, frequent coloring, tight styles — can also make existing thinning more visible by weakening the hair shaft itself, independent of the underlying hormonal pattern.

Track the pattern

If you're unsure whether what you're seeing is typical FPHL or something that needs a closer look, logging when it started and how it's progressing in our private symptom tracker gives a dermatologist something concrete to assess.