In the body, they act like messengers, help control things like hunger, growth, hormone production, healing, and more
The aim is evenness, which means bringing darker patches back towards your own baseline rather than shifting that baseline, and the dramatic whitening claims attached to glutathione come from injectable use, an entirely different dose and route
The peptide appears to interact with the dopaminergic and serotonergic systems, which may contribute to its effects on pain perception and mood
It's important to note that while glutathione injections are used for these purposes, the scientific evidence supporting their effectiveness is limited, and more research is needed to determine the safety and efficacy of this treatment
(PubMed) Segal AW