What Topical Does Well Published research documents topical GHK-Cu's effects in three primary areas: Wrinkle and fine-line reduction -- consistently documented across multiple facial and eye-area studies Collagen and extracellular matrix stimulation -- increased synthesis of collagen, elastin, glycosaminoglycans, and decorin in treated skin Post-procedure recovery -- accelerated healing documented in post-laser resurfacing protocols The limitation is equally clear: topical delivery confines the peptide's activity to the skin
For Research Use Only (RUO)
They play a crucial role in trans-endothelial migration of lymphocytes, monocytes, and neutrophils, as well as in cell signaling and transcriptional regulation [19,20,21]
Why You Should Always Patch Test First Before you apply a GHK-Cu product all over your face, I highly recommend doing a quick patch test
Evidence confidence is Low to Very Low
What Comes Next and What It Means for Gray-Market Users The FDA's final determination on all seven compounds will follow after the advisory committee process concludes and all reviews have been finalized