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Tripeptides such as GHK-Cu have an established safety record in topical and cosmetic applications, showing low cytotoxicity and reduced skin irritation compared with other copper compounds, and acceptable tolerability in clinical cosmetic studies [23, 74, 93]
author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law
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Utilizing glutathiones anti-melanogenic properties, these injections decrease melanin production, effectively brightening the skin and reducing hyperpigmentation
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