How much scalp dht does dutasteride 1mg, 1.5mg, and 2mg block? Finasteride/Dutasteride 2/14/2026
Dutasteride at 0.5mg blocks 50% of scalp DHT, while higher doses like 1mg and 2.5mg block more, with 2.5mg blocking up to 80%. Some users report better results with lower doses, and there's confusion about the effectiveness of different dosages on scalp versus serum DHT.
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