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Scientists isolated this exact sequence of 15 amino acids
Avoid serums that feel highly acidic, as the low pH will destroy the peptide
Compatible Formulation Types Aqueous or light gel serums O/W emulsions (creams and lotions) Eye contour treatments Sheet mask essences Non-rinsed scalp sprays and leave-on tonics Facial cream formulations Compatibility with Other Actives & System Design Synergistic Combinations GHK-Cu works effectively alongside these active ingredients: Low-strength retinoids : Complementary anti-aging action Niacinamide : Barrier support and brightening Panthenol : Soothing and hydrating Ceramides : Barrier restoration Hyaluronic acid : Hydration and plumping Mild alpha hydroxy acids in night products : Gentle exfoliation Vitamin E and ferulic acid : Antioxidant properties enhancement Combinations Requiring Caution High-percentage glycolic or lactic acid : Can destabilize peptides Low-pH ascorbic acid (direct vitamin C) : May affect copper state Excessive chelators : Compete for copper binding Recommendation : Sequence potentially incompatible actives in separate products within a regimen rather than combining in single formulations
These antioxidant enzymes are a part of the glutathione biosynthetic pathway, which is present in cyanobacteria, proteobacteria, and certain Gram-negative bacteria
In vitro studies demonstrated follicle stem cell activation, and limited clinical data reported increased hair density and thickness at 0.2% concentration (Park et al., 2011)
