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Samples with less than 1 month of overall survival were not used in the survival analysis
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
Product features:Gluten-free, Lactose-free
, 127 , 11612-11613, Kai, M., Crespo, E., Cristescu, S
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There should also be other clinical trials of wider ranges to ascertain the efficacy and safety of different formulations, including S-acetyl-glutathione
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