Verbatim response from Claude
Oral vs. Topical Minoxidil for Hair Loss
The Short Answer
Oral minoxidil generally works better for most people, but with more risk.
Oral Minoxidil
Works better because:
- Higher systemic absorption reaches hair follicles more consistently
- Studies show stronger regrowth results, especially at low doses (1.25–5mg)
- Better for people who find topical application messy or forget to apply it
Downsides:
- Requires a prescription
- Side effects: fluid retention, unwanted body hair growth, low blood pressure
- Not ideal if you have heart/blood pressure issues
Topical Minoxidil
Still very effective and preferred by many because:
- Over-the-counter availability
- Fewer systemic side effects
- Well-studied over decades
Popular brands:
- Rogaine – the original, widely trusted
- Kirkland Signature (Costco) – same formula, much cheaper
- Hims/Hers – convenient subscription service
My Recommendation
- Start with topical (Kirkland or Rogaine) if you want low risk and easy access
- Talk to a doctor about oral (often prescribed by Keeps or Hims telehealth platforms) if topical isn't giving you results
A dermatologist can help determine the right approach for your specific situation.