A randomized, controlled, blinded human trial of GHK-Cu monotherapy, with a vehicle-only control (and a needling-plus-vehicle arm if a procedure is used), objective endpoints such as blinded global photography and target-area hair counts over at least several months, adequate statistical power, pre-registration, and independent replication
Dose: 0.25mg daily for weeks 1-2, increased to 0.5mg daily for weeks 3-6 Administration: Subcutaneous injection, rotating between deltoid area and upper chest near the shoulder Duration: 6 weeks total Supporting therapy: Light stretching daily, avoided overhead movements until week 4 Three months out from finishing the protocol, my shoulder still feels solid
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Higgins JP, Altman DG, Gotzsche PC, Jni P, Moher D, Oxman AD, et al