glutathione deficiency methylation Methylation: An Ineluctable Biochemical and Physiological Process Essential to the Transmission of Life The Methylation Cycle and Glutathione
Description
However, preservative systems are only one component of contamination control

What if I forget to apply LATISSE

Use chelating agents (like sodium phytate) to protect copper ions from oxidation

Cell and Tiss Kin, 1982