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But others have little, if any, scientific backing
Beyond simple copper delivery, GHK-Cu is a signaling peptide: it modulates gene expression across thousands of transcripts associated with extracellular matrix (ECM) production, inflammation control, and remodeling, helping coordinate the transition from injury to repair
More lasting changes, like detoxification and skin brightness, typically develop with consistent weekly treatments over several weeks or months
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Follow the exact technique, use sterile supplies, and rotate injection sites to avoid soreness
What does third-party tested mean
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