Around 40% of women experience noticeable hair loss by the age of 50. Despite being so common, female hair loss is often minimised or dismissed — but it can significantly affect confidence and quality of life. The good news is that many cases are treatable.

Types of Hair Loss in Women

Female pattern hair loss (FPHL) — the most common type. Gradual thinning over the crown and top of the scalp, typically maintaining the frontal hairline. Classified using the Ludwig scale. Caused by genetic sensitivity of hair follicles to androgens, though testosterone levels are usually normal. Telogen effluvium (TE) — diffuse shedding triggered by a stressor 3–6 months earlier: illness, childbirth, crash dieting, major surgery, emotional trauma, thyroid dysfunction, iron deficiency. Often reversible once the trigger is addressed. Alopecia areata — autoimmune; patchy coin-sized hair loss that can progress to total scalp loss. Traction alopecia — chronic tension from tight hairstyles (braids, weaves, high ponytails) damages follicles over time.

When to Investigate: Common Causes

  • Iron deficiency anaemia — the most common nutrient cause of hair loss in women. Check serum ferritin (not just haemoglobin). Ferritin below 30–40ng/mL can cause TE even without anaemia.
  • Thyroid dysfunction — both hypothyroidism and hyperthyroidism cause hair loss. TSH is the initial screening test.
  • PCOS (polycystic ovary syndrome) — elevated androgens drive androgenic hair loss pattern
  • Post-pregnancy TE — very common 3–6 months postpartum; almost always self-resolving
  • Medications — some antidepressants, antihypertensives, anticoagulants, and oral contraceptives can cause TE

Treatment Options

Minoxidil 2% solution or 5% foam (Regaine for Women) — the only OTC treatment with strong evidence for FPHL. Apply to dry scalp once (2%) or twice (5%) daily. Allow 3–6 months before assessing effectiveness. Must be maintained. An initial shedding phase in the first 4–8 weeks is normal and indicates the treatment is working. Treating underlying causes — correcting iron deficiency with iron supplements, treating thyroid disease, addressing PCOS — is essential and often produces significant hair recovery. Dermatologist referral — for prescription options or uncertain diagnosis.

Shop Women’s Hair Loss products including Regaine for Women. Related: Vitamins for Energy (Iron), Women’s Health Guide.