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Many people first hear about copper peptides for collagen when they start looking for a gentler way to support younger-looking skin and fuller, healthier hair
Funding This work was supported by grants from the National Natural Science Foundation of China (NSFC Numbers 81672800, 81603009, 81673020, 81802632, and 82173830), Natural Science Foundation of Shaanxi (2020JQ-445), and the Key Research and Development Program of Shaanxi Province (2021SF-207, 2021SF-223, and 2022ZDLSF05-19)
Have done 3 doses of first month and have had no negative side effects
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5) or cofactor ratio (Supplementary Fig
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