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AGE-R EXCLUSIVE FORMULA

10.3390/toxins10040131 13

For GHK-Cu specifically: What to Look For: Third-party COA testing (6 months fresh maximum) Proper storage (GHK-Cu degrades rapidly in solution) Copper complex verification (some products are just GHK without copper) Appropriate pH (too acidic = irritation, too basic = instability) Reputable vendor track record Red Flags: Pre-mixed serums stored at room temp No testing documentation Suspiciously cheap pricing Miracle cure marketing claims No batch numbers or traceability I update vendor comparisons twice daily on my platform for a reasonquality control in this space is inconsistent at best