The present invention relates to a composition that can be used as or as part of a wound dressing and to wound dressings comprising the same. More specifically the present invention relates to a composition that disrupts and kills bacteria within a biofilm and also prevents biofilm formation. The composition comprises a first component selected from the group consisting of chitosan chitin derivatives of chitosan derivatives of chitin and combinations thereof at least one triprotic acid and at least one solubilising acid.
