Ketoconazole
Drug / Medication
An antifungal medication, often found in shampoos, initially developed for dandruff and psoriasis. It is effective in increasing hair number and diameter by disrupting fungal growth and mildly reducing DHT.
Mentioned in 2 videos
Videos Mentioning Ketoconazole

The Science of Healthy Hair, Hair Loss and How to Regrow Hair
Andrew Huberman
An antifungal medication, often found in shampoos, initially developed for dandruff and psoriasis. It is effective in increasing hair number and diameter by disrupting fungal growth and mildly reducing DHT.

Tools for Hormone Optimization in Males | Dr. Kyle Gillett
Andrew Huberman
A topical anti-androgen often used in formulations with other weak anti-androgens like caffeine to prevent hair loss.