roccofalcone (-3)(1)in #health • 8 years agoRE: New Study Suggests Methylene Blue May Treat Skin AgeingYes I think grandmother used methylene blue on me when I fell to the floor and bled and the like.thecryptofiend (74)in #health • 8 years agoRE: New Study Suggests Methylene Blue May Treat Skin AgeingEverything is potentially toxic. It was NOT toxic in the doses used. Please read more carefully next time as I was not suggesting that it is 100% safe. Nothing is. Further…