levels of oxidized glutathione (GSSG), reduced glutathione (GSH), The reduced glutathione Glutathione: An Introduction –
Description
Salazar, H., Eibl, C., Chebli, M

doi:10.1111/j.1439-0272.2009.01013.x

Conversely, IGF-1 acts to provide an inhibitory feedback signal on GH secretion in the hypothalamus by stimulating somatostatin production in the pituitary [8991]

In the lungs, PQ causes widespread edema, acute alveolitis, alveolar collapse, inflammatory reactions in the vascular endothelium, pulmonary congestion, hemorrhage, and fibrosis in the long term (Dearden et al., 1978, 1982

This can be done for various reasons, including to improve the appearance of the skin or to achieve a certain aesthetic look
