Studies evaluating GHK-Cus wound healing activity reported a 67% reduction in wound healing time compared to controls in preclinical models (Pickart, 1973)
Causation: While correlations are clear, establishing direct causation is more challenging
However, many peptides sold online are not approved for human use and may be marketed as research-use only. Selling or purchasing these products for personal use can fall into a legal gray area, and their safety and quality are not regulated or guaranteed
Do you put peptides or retinol on first
Jo SK, Lee WY, Rhee EJ, Won JC, Jung CH, Park CY, Oh KW, Park SW, Kim SW
One study even found that in just three months, people that suffered from Alzheimers disease experienced significant improvements in cognitive functioning, which improved with prolonged usage and supplementation, increasing over time