Neutral detergent

(1) Pour water (or hot water) into a wash basin or the like.

(2) Soak the mask and allow water to pass through the mask.

Add neutral detergent and stir well.

Scrub badly stained areas carefully.

(5) Rinse well, shake the mask

(6) Drain and towel dry.

Hang out to dry in the shade.

Soap bubble version

(1) Pour water (or hot water) into a wash basin or the like.

(2) Soak the mask and allow water to pass through the mask.

(3) Gently wash the surface and the back side of the machine to remove the dirt.

Rinse well, shake the mask as if shaking it.

(5) Drain and towel dry.

(6) Hang out to dry in the shade.

About the use of the dehydration function of the washing machine

Dehydration should be sufficient for about 2 to 3 minutes.
(Please refrain from washing in a machine, as it may cause premature deterioration.