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Evidence Quality Summary The honest assessment: mechanistic data is compelling, animal data is supportive, and human data exists but is not conclusive for GHK-Cu alone
Earlier, you will see hydration and surface texture
Both trials were published in the New England Journal of Medicine in June 2025, giving the dataset behind the CagriSema FDA review a peer-reviewed foundation
Enhancement of Scalp Microcirculation: GHK-Cu improves blood flow to hair follicles which allows improved delivery of essential nutrients for hair growth
The formal FDA reclassification of GHK-Cu, KPV, and other dermatology-relevant peptides hasnt been published yet
It stimulates blood vessel and nerve outgrowth, increases collagen, elastin, and glycosaminoglycan synthesis, and supports the function of dermal fibroblasts
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