AI Summary

Copper peptides, especially the GHK‑Cu formulation, have become a viral social‑media trend, with users applying a blue tincture to their faces and even injecting it beneath the skin. Promoters claim the compound can produce flawless, firm skin, aid wound healing and provide anti‑aging benefits. NPR’s Will Stone examines the scientific support for these claims, questioning whether the evidence matches the hype. The report highlights the gap between popular usage and the current state of research on copper peptide efficacy.

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