101KiB, 525x1500, 81-n5GfucEL._AC_SL1500_.jpg View SameGoogleiqdbSauceNAO Anonymous Sat 06 Feb 20:54:43 2021 No.12674956 ViewReplyOriginalReport Quoted By: >>12674964 Is this shit safe to use intensely over a long period of time? Im basically using it 3 times a day and the active ingredients are hydrogen peroxide and flouride.