3 ms·

Or spray with bleach

• concerned_user 7y ago
  What if you dip in isopropyl alcohol then dry, sounds safer than bleach and less destructive for the fabric. Bleach is chlorine you would have to wash it afterwards.
  • CarVac 7y ago
    Alcohol will destroy the charges that make the fabric effective for small particle sizes, according to the article.
    • clort 7y ago
      that is the N95 masks made of blown polypropylene, not cloth masks made at home (for example two layers of teatowel is quite an effective filter apparently)