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Archived from the original on 8 January 2019
The lyophilized peptide should be stored between 20C and 80C in a dry environment protected from light
For topical research formulations, the stability of GHK-Cu in solution is 2-4 weeks at 2-8C, depending on the pH and vehicle
Proliferation (log 2 doublings, 5 days) of Karpas299 in vitro untreated or treated with ML162 (125 nM) 50 ug/mL of human HDL, HDL isolated from mice fed a vitamin E-deficient diet, HDL isolated from mice fed a vitamin E-sufficient diet, or Fer-1 (1 M)
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![GHK-Cu vs Tretinoin: Copper Peptide or Retinoid for Anti-Aging? [2026]](https://klow-peptide.com/images/content/heroes/ghk-cu-vs-tretinoine.jpg)
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