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βœ“ Medically reviewedπŸ“… Last updated: 2026-06-14⏱ 6 min read
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Male stages β€” Norwood scale (8) β†’
Female stages β€” Ludwig scale (3) β†’
Treatments (10) β†’
Comparisons (13) β†’
Transplant cost by country (13) β†’
Transplant cost by city (26) β†’
Symptoms & scalp (7) β†’
Hair loss by group (7) β†’
Hair loss by cause (12) β†’
Questions & answers (27) β†’
Ingredients & evidence (25) β†’
Glossary A-Z (79) β†’
Research & evidence (14) β†’
New science & trends (9) β†’
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Not medical advice. General education only; it does not replace diagnosis or treatment by a licensed professional. Consult a board-certified dermatologist before starting, stopping or changing any treatment.

⚠️ When to see a doctor β€” don’t self-treat

  • Sudden patchy or circular bald spots
  • Redness, scaling, pus, pain or itch (possible scarring alopecia β€” treat urgently)
  • Broken hairs or rapid loss
  • Loss with body-wide signs (weight loss, fatigue, cycle changes, acne, extra hair)
  • Loss right after a new medication
  • Any hair loss in a child
Try the free self-check β†’
Try the free self-check β†’