Cetrigen Antibacterial Wound Spray Cetrigen is a unique formula to treat cuts and superficial wounds in all animals. This product contains an antibacterial agent, insect repellent and an added feature of purple dye to indicate coverage of the intended site. The Properties of Cetrigen assists in providing protection to minor wounds left after surgical procedures. Containing an antiseptic to protect wounds from infection Cetrigen is practically a first aid kit in a bottle formulated to treat cuts, scrapes and many other minor injuries.