Synergistic combination of pyrrolidone-carboxylic acid and / or its salts and hyaluronic acid and / or its salts for use in the treatment and / or prevention of dryness and irritation of mucous membranes
A further object of the present invention are pharmaceutical compositions comprising the synergistic combination of pyrrolidone carboxylic acid (PCA) and/or pharmaceutically acceptable salts thereof and hyaluronic acid and/or pharmaceutically acceptable salts thereof, and at least one physiologically acceptable excipient, and the use of such compositions in the treatment and/or prevention of dryness and irritation of the mucosae.