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doi: 10.1111/j.1365-4362.1992.tb02717.x

doi:10.1155/2014/626871 Klein A

Expected timelines show subtle scalp health improvements at 4-8 weeks, visible thickness/density changes at 12-16 weeks, and optimal results at 6+ months

The needle is very short (think insulin syringes), and doesnt go beyond the fat tissue

Expert Opinion on Biological Therapy, 12(1), 37-51

The benzyl alcohol component permits multi-dose use over a typical 28-day window
