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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
Phase 3: Maintenance (Weeks 912) Dose: 3.2 mg, 2-3x per week Pulsed administration keeps the repair signal present without turning the protocol into constant stimulation
Ideal for mature skin
Gentle swirling in circular motion is okay if needed
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