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At optimal concentrations, GHK-Cu increases mRNA production for collagen types I and III, elastin, proteoglycans, and glycosaminoglycans, while laboratory studies show that topical application for 12 weeks improves collagen production in 70% of subjects compared to 50% with vitamin C and 40% with retinoic acid
This means it is not expected to cause the common side effects of hGH like insulin resistance, carpal tunnel syndrome, or potential promotion of cancer cell growth
If the stopper becomes visibly damaged or starts to core (releasing rubber fragments), stop using the vial regardless of how many days remain
Contact your pharmacist or GP for advice Left unrefrigerated (unopened pen) Check your specific product's patient information leaflet for allowable time periods at room temperature
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