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Sepesi B, Corsini EM, Weissferdt A, Pataer A, Leung CH, Lin H, Le X, Mott F, Fossella F, Altan M, Tsao A, Skoulidis F, Blumenschein G, Kurie J, Zhang J, Glisson B, Lu C, Elamin Y, Antonoff MB, Hofstetter WL, Mehran RJ, Rice DC, Roth JA, Swisher SG, Vaporciyan AA, Walsh GL, Gibbons DL, Heymach JV, Cascone T
There is no established "best" dosage because no clinical research has studied this combination
Most skin types tolerate GHK-Cu well, though a patch test or professional skin assessment is always recommended before starting, particularly for sensitive or reactive skin
Expert Swap: PE 22-28 is a peptide commonly used to improve depression, boost memory, and prevent stroke (34)
It is less irritating then the pure form of vitamin C Can help attract water to the upper layer of the skin
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