Topical intranasal composition, characterized in that it contains carboxymethyl-β-glucan and / or phosphoglucan with 18α- and / or β-glycyrrhetic acid, possibly salified, and lactoferrin for nasal obstruction.Composición tópica intranasal, caracterizada porque contiene carboximetil-ß-glucano y/o fosfoglucano con ácido18α- y/o ß-glicirrético, posiblemente salificados, y lactoferrina para la obstrucción nasal.