Blue soap is used before, during and after a tattoo procedure. It is used for avoiding stinging or skin irritation. Excellent when diluted with water, usage as same as Green soap, great for cleaning. Blue soap is excellent when diluted with water for skin prep and also for stencil application Blue soap can prevent inflammation and cleaning wounds Diluting Suggestions: 1 part blue soap and 9 parts water as a skin wash and for applying stencils Use clean Grab this little essential today - the tattoo equipment tattoo blue soap are a must for any studio