ZYMOX Antimicrobial & Inflammation Relief Topical Cream with 0.5% Hydrocortisone utilizes the LP3 Enzyme System to help manage topical skin infections. You don’t need to pre-clean or disinfect area because the patented LP3 Enzyme System reacts with the exudate, infectious pus or debris to form its antimicrobial properties. Non-toxic & worry-free if pet licks application site.