The FDA didnt just approve it, it championed it
Deboever N, Bayley EM, Feldman HA, Hofstetter WL, Mehran RJ, Rice DC, Rajaram R, Roth JA, Sepesi B, Swisher SG, Vaporciyan AA, Walsh GL, Bednarski BK, Morris VK, Antonoff MB
Further investigation of the pharmacological function of these unknown polysulfides could lead to the development of new preventive and therapeutic approaches and medicines for neurodegenerative diseases, stroke, cancer, inflammation, and other oxidative stress-related diseases. Journal Reference: Shingo Kasamatsu, Takuma Owaki, Somei Komae, Ayaka Kinno, Tomoaki Ida, Takaaki Akaike, and Hideshi Ihara
The copper uglies usually show up as redness, sensitivity, small bumps, sometimes acne-like breakouts, and a temporary worsening of skin tone or texture