korean glutathione injection Skin Whitening in Korea Kuhnthione Injection 1200mg (Glutathione Reduced)

So is this a case where three hormones targeted is better than two

Ohtsu, E., Ichiyama, A., Nishizuka, Y

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These uses remain investigational and are not FDA-approved

Safety: What is and is not known Animal safety data A 2020 preclinical safety evaluation by Xu and colleagues in Regulatory Toxicology and Pharmacology examined BPC-157 across multiple species mice, rats, rabbits, and dogs and reported no serious toxicity, no genotoxicity, and no embryotoxicity at doses evaluated

It is worth stating plainly that the phrase "no side effects" does not apply to any active skincare ingredient, including this one