Peptides with sequences rich in hydrophobic residues, or those with a high proportion of basic amino acids (lysine, arginine, histidine) that require protonation for charge-mediated aqueous solubilisation, typically reconstitute cleanly and completely in 0.1% acetic acid water whereas the same peptides may form aggregates, gels, or turbid suspensions when reconstitution with neutral sterile water or bacteriostatic water is attempted first
GHK-Cu is commonly discussed for skin wellness, collagen support, recovery support, and healthy aging-related wellness goals
Bacteriostatic water is sterile water infused with 0.9% benzyl alcohol
10.3390/ijms20215501 454 PackC.-G.AokiK.TaguchiH.YoshidaM.KinjoM.TamuraM
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The peptide is derived from a partial sequence of a larger protein identified in human gastric juice, first characterized in the early 1990s