This can be done orally, topically, intravenously, intranasally, or in nebulised form
Ongoing research promises further novel applications, including neuroprotection and addiction
Nitroblue tetrazolium reduction
Wharton S, Blevins T, Connery L, et al
Side effects PGA drops can cause: -Reactivation of uveitis -Increased risk of herpes infection in the cornea -Darkening skin around the eye -Inflammation Darkening eye drops have negative side effects Many of the eye drops claiming to change eye color that have gone viral on social media are primarily for lightening the eye
These misclassifications go both ways, too