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One study revealed that GHK-Cu was more effective at improving collagen production in 70% of the women treated than vitamin C or retinoic acid
The collagen and appearance benefits associated with GHK-Cu come largely from creams and serums and from cell culture
LC-MS/MS basic quantitative method LC-MS/MS is a technology that combines the separation power of liquid chromatography and the sensitivity of mass spectrometry detection, and is suitable for the quantitative analysis of carnitine and its derivatives
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