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Pomer J Life Sci 66:3944

I22 (I24), 2 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg, 100 mg, 150 mg 200 mg

[DOI] [PubMed] [Google Scholar] 16.Bischer AP, Baran TM, Wojtovich AP

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While both are copper peptides, AHK-Cu is more specifically studied for its potential effects on hair follicle stimulation, whereas GHK-Cu has a broader research history in general skin regeneration and wound healing

Third-party testing organizations can verify peptide identity and purity if the suppliers certificate raises questions