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Ethics approval and informed consent This study was approved by Institutional Review Board of University of California San Francisco
A recent data science evidence-based approach to determine the top ten ingredients in oral skin supplements (from 71,000 dietary ingredients of which 1781 were found to have at least one skin-related publication assessed in human clinical trials) found that collagen had the most published human skin health-related data, followed by specific antioxidants (especially from natural sources or products) [25]
GHK-Cu, also known as a copper peptide, has been studied in research settings for years and years
Stereoselective product inhibition of glutathione S-transferase
There are, however, a number of factors contributing to this phenomenon
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