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What should you look for in a copper peptide product
Trx becomes oxidized in the process and is regenerated by thioredoxin reductase using NADPH
Storing the punctured bottle at room temperature, or in a frequently-opened fridge with temperature swings, accelerates preservative degradation
Layering Strategies The simplest workaround is to alternate the application of GHK-Cu and potentially incompatible active ingredients: Alternate Times of Day: Apply GHK-Cu in the morning and Vitamin C, retinoids, or acids at night
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