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Case Studies and Real-World Examples 6.1
Better sleep, faster recovery, glowier skin
Most people inject into abdominal tissue, though thighs or upper arms also work
Unlike many cosmetic ingredients that work superficially, GHK-Cu appears to influence cellular function at the genetic level, potentially resetting aging cells to more youthful patterns of gene expression
![Beginner's Guide to Peptide Therapy [2026]](https://innerbody.imgix.net/peptide-trailhead-upper-image.jpg)
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