11/08/2026
How Does Finasteride Actually Work for Hair Loss?
Finasteride is a prescription medication commonly used for male pattern hair loss. It works by inhibiting the Type II 5-alpha-reductase enzyme, reducing the conversion of testosterone into DHT (dihydrotestosterone).
🧬 High DHT levels can gradually miniaturize genetically sensitive hair follicles, making hair thinner and weaker over time.
By lowering DHT, finasteride can:�✔️ Slow down hair miniaturization�✔️ Reduce hair loss�✔️ Help maintain existing hair�✔️ Improve hair thickness in some patients
⏳ Results are gradual and may take 3–6 months, with maximum benefits potentially taking longer.
⚠️ Finasteride is a prescription medicine and may cause side effects in some people, including changes in libido or erectile function. It should only be used under the guidance of a qualified doctor.
📌 Never start or stop finasteride without medical advice.
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