Topical finasteride
Finasteride as a scalp spray or solution, meant to lower side-effect risk.
Moderate evidencePrescription
The cheapest legitimate way
Needs a prescription. Usually compounded, so compare a few pharmacies.
Smart path~$15–$30/mo
Typical brand price~$30–$50/mo via subscription brands
Prices are estimates based on typical US cash prices. They change often, so check before you buy.
- Evidence
- Moderate. Supported by smaller trials or growing clinical use.
- How it works
- Works on scalp DHT with lower levels in the blood than the pill.
- What results look like
- Early trials show results close to oral finasteride. Long-term data is still limited.
- Time to results
- Judge results at 6–12 months.
- Side effects and downsides
- Scalp irritation
- Some still reach the bloodstream, so side effects are possible
- Best for
- Men worried about oral finasteride side effects.
- Sources
- Piraccini et al., 2022, J Eur Acad Dermatol Venereol
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