GHK-Cu is a naturally occurring copper-binding tripeptide studied for its role in collagen synthesis, extracellular matrix remodelling and skin barrier restoration.
This product is intended solely for in-vitro laboratory research. It is not a drug, food, or cosmetic and is not for human or animal consumption.
Second lot in a row where the primary peak integrated above 99.4%. Impurity profile matches the CoA and the retention time is stable batch-to-batch. Exactly what a reproducibility protocol needs.
Verified researchers can post a review after signing in. Please keep feedback focused on product quality — purity, packaging, documentation and shipping — never on health outcomes.