Abstract: A topical film-forming aqueous composition for covering a skin lesion comprising a mixture of a polyvinyl alcohol and of a chitosan and capable of forming a dry film in situ.
Abstract: The use of nor- and homo-bile acids derivatives as absorption enhancers for medicaments is described. Said derivatives show the advantage of improving the absorption of medicaments through mucosae without being metabolized by the intestinal flora, thus allowing a fast excretion. Moreover, the derivatives of the invention have a negligible toxicity.