ZYLAFEN utilizes the Lactoperoxidase System plus the additional anti-microbial actions of Lysozyme and Lactoferrin to provide the most potent and safe treatment available for bacterial and fungal skin infections. ZYLAFEN is: Antimicrobial, antiviral and antifungal 100% safe if ingested One step treatment that can be safely used on all reptiles. ZYLAFEN is effective against the following reptile skin and mouth infections: SCUD (Septicemic Cutaneous Ulcerative Disease) Superficial lesions of the skin and shell Dysecdysis (abnormal shedding of the skin) Mouth rot Gingivitis.