Abstract: Articles that include from 20 wt-% to 45 wt-% of one or more plant based oils based on the total weight of the article; from 50 wt-% to 70 wt-% of one or more polymer film formers based on the total weight of the article; and from 5 wt-% to 15 wt-% of one or more humectants based on the total weight of the article. Further articles comprises this combination of oil, film former and humectant as a first layer adjacent to which a second layer comprises a mucoadhesive polymer. The articles may be used to prevent formation or maintenance of biofilm in an oral tissue, affect hydration loss in an oral tissue, affect lubricity or lubriciousness in an oral tissue or treat xerostomia or dry mouth. Preferred polymer film formers include pullulan, xanthan gum, HP guar, ethyl cellulose and carrageenan.