Finasteride Alternative: The Scalp Ecosystem Science That DHT Blockers Completely Ignore

Every year, millions search for a finasteride alternative. The August 2025 EMA ruling formally confirmed suicidal ideation as a side effect of 1mg finasteride — the dose prescribed for hair loss. But the deeper issue is what finasteride has never addressed: the scalp ecosystem. This is the complete 2026 clinical guide to botanical 5-alpha reductase inhibition, scalp microbiome science, and the Dermotricology protocol that restores what DHT blockers leave completely untreated.