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First isolated from human plasma in the 1970s, GHK-Cu is one of the most extensively studied copper peptides in the dermatology, regenerative biology and gene-expression literature
The protocol is straightforward: 0.25 to 0.5 mm needle depth for maintenance, 1.0 mm for anti-aging, 1.5 mm for scar revision, followed by immediate application of 0.05% GHK-Cu serum while micro-channels remain open (roughly 10 to 15 minutes)
That hair then needs months to reach meaningful length
Monami, M., Lamanna, C., Desideri, C
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