To provide a formulation for external use for a mask, more securing the effect of blocking pollens and viruses in the mask, glasses and goggle in the conventional case for guarding against pollinosis and influenza infection, and reducing inflammation of the skin and accelerating a recovery after being applied.

In this formulation for external use taking preventive measures against pollens and viruses for mask, glasses and goggle, a component derived from cocoon selected from hydrolysis silk liquid, hydrolysis silk ethyl liquid, and hydrolysis silk powder and sericin are compounded with a salve. The compounded semi-solid formulation or liquid medicine is applied to the mask body, or the glasses and goggle wearing parts, thereby preventing entering of pollens and viruses through a gap between the skin and the mask or the glasses and goggle wearing parts.