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The copper peptide is inherently stable in aqueous solution at physiological pH (6.5-7.4), which matches normal skin surface conditions
These peptides activate MRGPRX2, a mast-cell receptor that fires on positively charged, aromatic molecules and releases histamine into the tissue. Sodium and chloride ions screen the peptides positive charge, so the receptor sees less of it and the welt shrinks
GHK naturally occurs in human plasma at approximately 200 ng/mL in young adults, declining significantly with age (PMID 29986520)
Specifications: Purity: 99%
Topical peptides must penetrate multiple layers of skin, which can limit absorption
