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Description
P.CondosR.LynchD

ChauhanASPatelAKChenC-WChangJ-SMichaudPDongC-Det al
GHK-Cu copper peptides (typically listed as Copper Tripeptide-1 on ingredient labels) appear most frequently in cosmetics, particularly skin care formulations

In contrast to international standards, which mainly emphasize high-purity steviol glycosides, quality control efforts in China focus more on the botanical diversity of raw materials, the context of multi-herb formulations, and the reproducibility of the preparation methods

pH considerations matter too
