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How It Differs From Common Aesthetic Peptides GHK-Cus ability to influence gene expression, stimulate multiple repair pathways, and deliver copper directly into cells distinguishes it from synthetic peptides commonly used in topical formulations

Unlike traditional HGH treatments used in hormone replacement therapy, this synthetic peptide focuses only on the c terminal region of the growth hormone molecule

Molecular and Scientific Profile The reported molecular weight depends on whether the charged compound or a complete salt is being described

Blood levels drop from approximately 200 ng/mL at age 20 to 80 ng/mL by age 60

Side effect comparison Both medications share similar gastrointestinal side effect profiles