The present disclosure refers to a material impermeable to water vapor and oxygen for packaging dietary products, cosmetics and medicinal specialities. In particular, the present disclosure refers to primary packaging in the form of blister packs or sachets, which comes into direct contact with the formulations of medicinal specialities and dietary products and cosmetics, such as, for example, tablets, pills, pessaries, powders, granules, suppositories, rigid capsules and soft capsules (also known as soft gel capsules).