You need only a 12.5% mix for the tattoo once you see a frost or white pinhead looking stuff, you need a baking soda and water mixture to coat in right away, you wait for th eskin to turn purple browinsh and then peel in 2 weeks or so, wait at least 4 to see the new skin and then retreat do the mixture of tca in distilled water
How to dilute , its water soluble use a shot glass and a dropper it should be glass due to it being corrosive, if the solution is 100 % drop equal amounts water distilled now you got 50% use a low concentration everyone reacts differently according to their chemistry
TCA removal is basically peeling off the Tattoo skin with the help of a chemical solution called Trichloroacetic acids (TCA). The method is very easy. Just open the bottle of the chemical and apply it to the skin. It will cause the skin to blister and the tattoo will eventually peel off. You will experience swelling of the area and a feeling of numbness of stinging during the procedure. It can cause many problems such as scarring, infection, changes in skin tone, pigmentation. After the peel, use a sunscreen daily to protect your skin from sun exposure. However, it is totally a critical procedure and is best when performed by a qualified doctor otherwise you can cause permanent damage to your body.