ghk-cu peptide adverse effects PSA] Albeit rare Copper "uglies" are real and scary. Case report and looking for advices : r/SkincareAddiction PSA] Finally, a Dr. explains

Higher-dose or higher-frequency research protocols may increase observations of: Skin-related sensitivity Local irritation Copper-related biomarker variability Individual sensitivity-related responses Zinc & Vitamin C Research Context Research involving GHK-Cu commonly includes: Zinc supplementation Vitamin C supplementation because of their established roles in: Collagen-related signaling pathways Skin integrity and dermal maintenance Tissue maintenance and regenerative pathways Hair and scalp biology Antioxidant and oxidative stress regulation Why Zinc Is Commonly Used Alongside GHK-Cu Because GHK-Cu is a copper-binding peptide, prolonged or higher-frequency research exposure may influence copper and zinc balance in some research settings

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The reason the molecule does anything worth studying is that it carries copper and hands it off where a cell can use it

The anti-cancer activity of GHK may be linked to its known tissue remodeling effects [49]