Great really works So far, the product has been effective
Skin Health, Skin Elasticity, and Aging Skin Concerns A review of topical anti-aging peptide studies reported that Cu-GHK formulations were associated with improved visible signs of aged and sun-damaged skin, including skin density, thickness, elasticity, humidity, and wrinkle appearance in 12-week studies involving 71 or 41 women [2]
Its presence in supplement manufacturing facilities creates cross-contamination risk even when not intentionally added to formulations
That said, "generally safe" does not mean "universally safe for everyone in all circumstances." Individual reactions vary
or Appear on FDAs list of bulk drug substances that can be used in compounding (503A bulks list) if such a monograph does not exist and the substance is not a component of an FDA-approved drug product