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GHK-Cu is a naturally occurring copper peptide best known for skin repair, collagen stimulation, and anti-inflammatory effects, so its widely used for antiaging and barrier support
Injection technique and storage requirements demand careful attention to prevent contamination or degradation of peptides
The 200 to 500mcg figures widely used across clinic and community contexts are derived from animal extrapolation and accumulated self-experimentation, not controlled human trials
Rome: Societ Editrice Universo, 200
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