Ketoconazole shampoo
An anti-dandruff shampoo that may give a small boost when used alongside other treatments.
Limited evidenceNo prescription
The cheapest legitimate way
1% is over the counter. 2% needs a prescription but is cheap as a generic.
Smart path~$3–$6/mo (used 2–3x per week)
Typical brand price~$10–$15/mo
Prices are estimates based on typical US cash prices. They change often, so check before you buy.
- Evidence
- Limited. Small or short studies. Best as an add-on.
- How it works
- Reduces scalp inflammation and fungus. Some evidence suggests a mild anti-DHT effect on the scalp.
- What results look like
- Modest on its own. Best as an add-on.
- Time to results
- 3–6 months.
- Side effects and downsides
- Dry hair or scalp
- Best for
- An easy, cheap add-on, especially with flaking or itching.
- Sources
- Piérard-Franchimont et al., 1998, Dermatology
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