Oh man…Stop using that chemical process. Anything that is put on the skin is instantly absorbed into your system and possibly can go through to the blood stream. You can build up toxicity or have blood poisoning. There is nothing that will lift the ink from a tatoo. Now they are making a special ink that can be removed, but it’s too late for most people. The only options are laser removal or living with it. If it’s bigger than an inch around, I’d leave it alone.