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What is the product's form
Final thoughts GHK-Cu shelf life varies dramatically by form and storage conditions - lyophilized powder maintains 18-24 months frozen or 12-18 months refrigerated but degrades in just 2-4 months at room temperature, while reconstituted solution lasts merely 28-30 days refrigerated with bacteriostatic water and should never be frozen as ice crystals destroy peptide structure
The chemistry per component is given further down and on the individual product pages
We formulated this with skin science and self-care in mind
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