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Comprehensive antioxidant system enhancement provides multi-level protection
Ingredients to Avoid When Using Copper Peptides To maintain the integrity of GHK-Cu, its best to avoid layering copper peptides with: High-strength AHAs or BHAs Strong Vitamin C (ascorbic acid or ethyl ascorbic acid) Retinoids or retinol derivatives Low-pH exfoliants These ingredients can reduce peptide activity or increase irritation, especially for sensitive skin
The "GHK" designation comes from the single-letter amino acid codes: G = Glycine H = Histidine K = Lysine (using K because L was already assigned to Leucine) Natural Occurrence and Age-Related Decline In human plasma, GHK-CU levels start at approximately 200 ng/mL at age 20
At high levels of oxidative stress, we observed splitting the RBCs population into two subpopulations with different biophysical properties
Timing patterns across both routes
A 1% formulation sits within the clinically validated range
