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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

When compared to the broader category of peptides versus SARMs , AOD 9604 sits firmly on the safer end of the spectrum

& Heymans, H

Cognitive function correlates with GH and IGF-1 levels

Samson, S