ghk cu pinning vs topical Everyone's obsessed with GHK-Cu. But as a licensed aesthetician — I have to be honest: the evidence is weak. Lab studies ≠ real results on your skin. Until the science catches up GHK-Cu Topical Spray - Wells

Am J Physiol Gastrointest Liver Physiol 317(2):G210g221

Collagen Synthesis Studies Research shows GHK-Cu significantly enhances collagen production in laboratory environments

PE-22-28 Evidence# PE-22-28's evidence comes primarily from French research groups associated with its development: TREK-1 pharmacology

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