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The peptide's small molecular weight (0.39 kDa) enables it to interact directly with DNA and act as an epigenetic regulatory factor, modulating chromatin structure and gene accessibility in neural tissue
Severe kidney disease, where dosing should be monitored because the kidneys clear excess B12
Why the discrepancy
A: GHK-Cu can be paired with most ingredients, but attention should be paid to: Recommended combinations: Hyaluronic acid (hydration synergy), niacinamide (enhanced repair), vitamin C (use at different times) Avoid simultaneous use: Strong acids (high-concentration AHAs, salicylic acid), chelating agents (EDTA), pure vitamin C (simultaneous use reduces stability) Suggested regimen: Use GHK-Cu serum in the evening, vitamin C in the morning Q3: What skin types is GHK-Cu suitable for
