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Description
FGL (Fibroblast Growth Loop): A Neuroprotective Research Peptide FGL is a 15-amino acid peptide derived from the second fibronectin type III domain of NCAM, studied for synaptogenesis promotion and neuroprotective effects in rodent models of aging and neurodegeneration
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Topical vs systemic administration in research In dermatological research GHK-Cu is used topically (creams, gels, masks) at concentrations of 0.1 to 2 %

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10.2174/1570159x13666160502153022 [DOI] [PMC free article] [PubMed] [Google Scholar] Sikiric P., Seiwerth S., Rucman R., Turkovic B., Rokotov D