ghk cu chemical formula molecular GHK-CU GHK-Cu Peptide (100mg) for Research
Description
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Topical vs Injectable Tolerability Topical GHK-Cu appears better tolerated than injectable forms, with topical side effects typically limited to mild redness, itching, or irritation at application site and rare copper uglies phenomenon (anecdotal accelerated skin aging appearance due to potential MMP upregulation, not well-studied)
*Data on smoking status were missing for 2 patients in the ENTYVIO group
