The copper peptide trend has gone from creams to injections — ahead of the science

September 7, 2026 · 9:00 am 1 sources

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• The copper peptide trend has gone from creams to injections — ahead of the science
  NPR · September 7, 2026 09:00
  The peptide is supposed to deliver flawless and firm skin, promote wound healing and other anti-aging effects. So what's the evidence behind GHK-Cu?