Supervision is non-negotiable: these are prescribed, pharmacy-compounded, and monitored, not gray-market vials bought online
Plain Aqueous Serum Without Penetration Aids Limited Delivery Water-heavy formulas without lipid carriers or permeation enhancers deposit most GHK-Cu in the stratum corneum rather than the viable epidermis and dermis
I absolutely love VitaStir
It easily crosses the blood-brain barrier
BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy , 12 (2), 139157
ReadyRx glutathione should be stored according to specific instructions provided with shipments, typically including refrigeration at 36-46F (2-8C) to maintain potency and stability, protection from light by keeping vials in original packaging until use, avoiding freezing which can damage the formulation, and checking expiration dates and discarding expired products appropriately