BACTINE spray Kills 99% 0f bacteria and include Lidocaine what make the skin numb.You can use during the tattoo process so your customer will fell less pain and will pul down the redness as well.Your tattoo session will be easier for you and the client as well.Benzalkonium chloride/lidocaine is an antiseptic, first-aid treatment distributed by Wellspring Pharmaceutical Corporation. It was developed in 1947 and first used in 1950. It is a topically applied first aid liquid with active ingredients benzalkonium chloride and lidocaine.Use during tattooing to numb the open area.Can be used together with TKTX or TSL numbing cream for incredible numb result.