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They act as antioxidants to combat oxidative stress

By 1983, Pickart had established that GHK-Cu accelerates wound healing and contraction, improves the take of transplanted skin, and also possesses anti-inflammatory actions [53, 54]

ROS Scavenging and Gene Regulation: Oxidative stress upregulates the Microphthalmia-associated Transcription Factor (MITF), which acts as the primary on-switch for melanin production [5]

GHK-Cu does not operate through a single receptor pathway the way a growth hormone secretagogue does

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Some users apply it twice daily for enhanced results, depending on skin tolerance and product formulation