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With continued use, complexion looks plumper and more resilient

But if your concerns are more systemic (e.g., eczema, chronic wounds), an injectable may be better indicated

Compound Profile Scientific & Efficacy Data C 14 H 23 N 6 O 4 Cu Molecular Formula 403.93 g/mol Molecular Weight Approximately 1 hour (plasma) Half-Life High when injected subcutaneously

Exploring the Safety and Efficacy of Glutathione Mitchell, M., et al

Mechanistically, GHK-Cu has been shown to stimulate collagen and elastin synthesis in dermal fibroblasts, increase decorin (a small proteoglycan that helps regulate collagen organization), and influence matrix metalloproteinases and their inhibitors

Pregnant or Breastfeeding Women: The effects of excess copper on fetal development and nursing infants are not thoroughly studied in cosmetic contexts