What Are The Best Materials for Making DIY Masks?

"Update 4th April: This article has had a huge number of hits from people looking for the best face mask material. The list of materials here is not complete. We are now working hard to test MORE face mask materials for you. In the meantime, please don’t ask us to test any more materials! Sign up for the Smart Air newsletter (bottom of page) or follow the Smart Air Facebook..." Lire la suite