Melolin Sterile Dressing 5cmx5cm (100). Melolin consists of a highly absorbent cotton and acrylic fibre pad which is heat bonded on one side to a very thin perforated polyester film.. The film side of the dressing is placed next to the wound.. Melolin consists of three layers:. Non adherent perforated film. Highly absorbent cotton/acylic pad. Hydophobic backing layer