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    1. Melatonin Hormone that regulates sleep, sold as a supplement
    2. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
    3. Baricitinib JAK inhibitor pill used for severe alopecia areata
    4. Platelet-Rich Plasma Concentrate of your own blood platelets, injected into the scalp