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Mechanism Differences Unlike retinoids or alpha hydroxy acids (AHAs) that primarily work by accelerating cell turnover and exfoliation, which can sometimes compromise the skin barrier and cause irritation, GHK-Cu supports the skin's natural repair processes
Every vial is third-party tested by independent laboratories to verify 99% HPLC purity, amino acid identity by mass spectrometry, and endotoxin limits by LAL testing, and ships with a batch-specific certificate of analysis published on our COA page
Abdelmalek, J
It is widely used in cosmetic and biological research studies due to its strong affinity with copper ions
European Journal of Clinical Nutrition, 78 (7), 551-556
Its the only excluded state
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