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long-term safety data is limited
PMID: 26236730 Published Research Highlights Discovery 1973 Tripeptide Identified in Human Serum Pickart and Thaler first identified the GHK sequence in human plasma, discovering a tripeptide that prolonged survival of normal liver cells and stimulated growth in cell culture models
Clinical studies show that consistent collagen intake can reduce wrinkle depth and roughness, especially around the eyes and mouth, where signs of aging appear first
PMID: 7 YounesRGovaereOPettaSMieleLTiniakosDBurtAet al
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