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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
Over-the-counter copper peptide products contain minimal concentrations that barely penetrate the scalp barrier
Xie W, Han Y, Li F, Gu X, Su D, Yu W, et al
[PMID: 19516999] PubMed record related to this compound for laboratory literature review
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