This document provides the minimum requirements that hygienic masks for adults shall meet, mainly in terms of the materials used for their manufacture, manufacture, marking and use. This specification does not apply to surgical masks that shall comply with the UNE EN 14683: 2019 + AC: 2019 Standard, nor to filtering half masks for protection against particles that shall comply with the UNE-EN 149: 2001 + A1: 2010 Standard. The hygienic mask is intended for adults without symptoms who are not likely to use surgical masks or filter masks for protection against particles, according to the measures established in the technical document Prevention and control of infection in the management of patients with COVD-19 Published by the Ministry of Health. EXAMPLE Those people who have to go out for work reasons, to reduce the risk due to the impossibility of maintaining social distancing.