ALLEVYN Non-Adhesive Dressing is an absorbent antimicrobial three layer dressing. A SSD (Silver Sulfadiazine) containing absorbent hydrocellular pad sandwiched between a perforated non adherent wound contact layer and a waterproof outer film. The dressing provides an effective barrier to microbial contamination protecting the wound from invasive pathogenic micro-organisms, thus assisting faster healing. SSD is effective against micro-organisms present in the dressing and in the wound.