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Redness, mild swelling, tenderness, or slight bruising can occur where the peptide is administered
Potential Risks and Solutions Lack of Extensive Human Trials Risk: Research on large human populations is limited, so long-term safety and efficacy remain partially unknown
Group 1 received a saline injection as a control
This improves the quality of life for patients
Controlled negative result: topical GHK-Cu gel on irradiated rat dorsal flaps showed no difference versus control in flap ischemia, vessel number/area or VEGF expression counter-evidence that the copper-tripeptide class is not uniformly effective even topically
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