The tripeptide has high affinity for copper(II) ions, chelating them and facilitating cellular uptake without the oxidative risk of free copper
For application after microneedling: 0.05% (500 ppm), because open microchannels increase absorption up to 10-fold
GHK-Cu demonstrates greater stability than BPC-157, remaining potent at room temperature for extended periods
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[4] As a research-grade lyophilized peptide, BPC-157 should be handled according to batch-specific supplier documentation, institutional laboratory procedures, and standard peptide-handling practice