Reconstituted peptides: refrigerate at 2 to 8 degrees Celsius and use within 28 to 60 days depending on the peptide
Effects on gene expression Transcriptomic studies in cells exposed to GHK-Cu have reported broad changes in gene expression affecting genes involved in collagen and matrix synthesis, antioxidant defense (including superoxide dismutase, catalase, and others), DNA repair, immune signaling, and cellular metabolism
The current standard operating procedure by the European Center for the Validation of Alternative Methods (ECVAM) recommends the use of MTT reduction as parameter to make prediction on the skin irritancy of substances using EpiSkin TM test method, while IL-1 endpoint is regarded as a useful adjunct to MTT assay 48
Longer term For longer repeated exposure, review broad health and copper-context markers periodically with a clinician
In a nutshell, describe your practice We call it Aquatecture
The compound doesn't need to be in your blood continuously to exert effects if it induces lasting neurobiological changes