oral glutathione bioavailability randomized trial 2015 in Skin Aging and Tissue Regeneration: A Systematic Review of Molecular Mechanisms, Redox Modulation, and Biomedical Implications GHK-Cu (glycyl-l-histidyl-l-lysine copper) is

GHK-Cu (glycyl-l-histidyl-l-lysine copper) is a powerful peptide that binds with copper to promote skin regeneration and repair. It works by: ✨Stimulating collagen & elastin production – Helps firm and smooth the skin.

A colorless solution indicates the copper is no longer coordinated as intended, which most often means low pH, a chelator in the buffer, or a reducing agent that has converted the metal to the monovalent state

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Size:30 Servings | 176 Grams

How to use: It is used as the last step in the morning skincare routine