Kerlix? AMD rolls are impregnated with PHMB (Polyhexamethylene Biguanide), a powerful yet safe antiseptic that has a broad range effectiveness against gram positive and gram negative microorganisms including some multi-drug resistant strains such as MRSA. This exciting new product provides healthcare facilities with a low cost, prophylactic method of treatment without changing nursing protocol. In addition to its antimicrobial capabilities, Kerlix? AMD rolls provide fast-wicking action, superior aeration, and excellent absorbency.