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DOI: 10.1007/s00210-025-04675-x [Google Scholar] da Silva Lima N, Cabaleiro A, Novoa E, Riobello C, Knerr PJ, He Y, et al
This cascade involves the same fibroblasts and collagen synthesis pathways that GHK-Cu activates
Long-Term Results: Your tan will become deeper and more natural looking, and will last far longer than normal tanning methods with continued use of the product
You may experience new or unexpected reactions, such as nausea, vomiting, diarrhea, constipation, fatigue, bloating, and headache
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