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GHK-Cu (copper peptide) represents another potential combination partner, though for different applications

Beyond contamination risk, sterile water lacks the buffering effect that benzyl alcohol provides

The proposed physiological function of GHK in plasma involves copper delivery exchanging copper with albumin (the major plasma copper carrier) and with cellular copper-binding proteins, contributing to the regulated movement of copper through plasma and into tissues

To build on its success in Korea, Esther Formula is now targeting the international market, and is already active in China, Malaysia, Indonesia, Thailand, and Japan