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CAS registry numbers 89030-95-5 (Cu complex) and 49557-75-7 (free GHK) and PubChem CIDs 11954184 and 73587 anchor the chemical identity
The inclusion of benzyl alcohol supports solution stability during repeated laboratory withdrawals when proper sterile technique is maintained
After 40, tendon quality naturally declines
This means the copper is safely locked in during transport and delivered precisely where enzymes need it for collagen cross-linking
GHK-Cu (Pickart & Margolina, 2018): Activates 4,000+ genes for tissue remodeling, collagen synthesis, and stem cell recruitment
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