Through a retrospective review of cutaneous adverse events associated with semaglutide, dulaglutide, tirzepatide, lixisenatide, liraglutide, and exenatide in the FDA Adverse Event Reporting System, it was found that the 5 most common cutaneous reactions associated with GLP-1 agonists were eczematous, pruritus, drug eruptions, hyperhidrosis, and alopecia
World Health Organization, United Nations Childrens Fund, International Council for Control of Iodine Deficiency Disorders (1999) Progress towards the elimination of iodine deficiency disorders (IDD)
Based on this limited information we conclude the following points: Glutathione has positive effects on lighting the skin tone The effects of Glutathione as a skin-whitening agent havent been well established Glutathione capsules & creams may be effective (& reasonably safe) in skin-whiteninig, but long-term effects are still uncertain & unknown For Glutathione injections, we do not have sufficient safety information
Masini et al., 2020