DMPFC, dorsomedial prefrontal cortex
In a separate head-to-head comparison, GHK-Cu outperformed both retinol (vitamin A) and vitamin C in improving skin firmness and elasticity, and it did so without the irritation, photosensitivity, or adjustment period associated with retinoid use
"Optimizing Glutathione Supplementation: With or Without Food?" Clinical Nutrition ESPEN, 47, 121-129.
TCM has observed that this imbalance frequently manifests as symptoms, such as headache, altered consciousness, and vomiting, which are closely related to cerebral hypoxia and fluid metabolic disorders, indicating a pathological correspondence that has been confirmed to be associated with brain tissue edema and microcirculation disorders in modern medical research