Tattoo highly concentrated blue soap 4oz,120ml,with 150ml foaming bottle, dilution is 1:9 with pure water.een soap. Multiple uses, hand washing, washing cloth, daily machine cleaning Help you get better tattoo color after washing with tattoo blue soap?smells better than green soap. Removal of dried blood and protein soils from skin and scalp, effective for cleaning surgical instruments and surgical apparatus before sterilization. Professional soap for cleaning and tattoo after care, dilute the blue soap with 9 times of pure water.