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References search A literature search was performed on the PubMed database of the US National Library of Medicine and on Scholar Google
No signs of tampering
Cosmetics, 4(2), 16
Drug/Laboratory Test Interactions Persons taking most antibiotics, methotrexate, and pyrimethamine invalidate folic acid and vitamin B 12 diagnostic blood assays
Supplements safety and efficacy can differ among individuals
Final Thoughts GHK-Cu offers a science-backed, regenerative approach to skin and hair research, with over 50 years of published work, roughly 4,000 documented gene interactions, and clinical trials showing measurable wrinkle reduction, increased collagen density, and improved hair-cell activity in models
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