---
title: "Hair Loss Women Over 40: Hormones & Blood Tests"
description: Hormonal shifts drive most hair loss in women over 40. See which blood tests to request and what your results actually mean for your hair. See how Vitals.
canonical: "https://www.vitalsvault.com/blog/hair-loss-women-over-40-hormones-blood-tests"
last-updated: 2026-08-22
---

# Hair Loss Women Over 40: Hormones & Blood Tests

> Hormonal shifts drive most hair loss in women over 40. See which blood tests to request and what your results actually mean for your hair. See how Vitals.

---

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