If using both: Many patients apply the tretinoin/niacinamide product at night and GHK-Cu in the morning, or alternate evenings
Lyophilised (freeze-dried) peptide compounds used in clinical trials must be reconstituted with a sterile diluent before administration
If an unopened vial freezes, its usually okay once thawed, but you should inspect the vial carefully for any micro-cracks
Zepbound (injectable pen): Zepbound contains the same tirzepatide molecule as Mounjaro and follows identical storage guidelines
It is not an FDA-approved drug
Laboratory Reconstitution and Cold-Chain Storage Both premium peptides are supplied in a sterile, lyophilized (freeze-dried) powder form, specifically selected to heavily support maximum biochemical stability, highly precise handling, and consistent reconstitution when meticulously stored and prepared under proper laboratory conditions