As someone with Mast Cell Activation Syndrome (MCAS), I’ve developed chemical sensitivity. Basically, if I am around any harsh chemical smells, I tend to react adversely. Reactions vary from migraines, rashes, hives, flushing, asthma, burning mouth syndrome, or feeling faint. This is especially difficult in social situations, or while on public transport. Having to step away from a conversation because I physically can’t handle the amount of perfume or cologne the person is wearing, or, switch hotels numerous times until finding one that doesn’t use deodorizers to ‘mask’ smells and other toxic cleaning solvents is not something I look forward to in my day to day interactions.

For a device that does much to obscure the face, anti-pollution masks (also called “courtesy masks” or “respirator masks") are rapidly gaining in mainstream visibility. In March of this year, Vox published an article with the headline: “As air pollution gets worse, a dystopian accessory is born.” In perfect synergy, research indicates that the incidence of allergic diseases (including asthma and mast cell) has also increased globally in most industrialized countries. Poor air quality is damaging no matter who you are, but moderate levels of air pollution, pollen or other airborne agents can be outright lethal to persons who are impacted by allergic diseases as well as immunocompromised persons.

(Note: there are other reasons that a person may choose to wear a mask; all intentions to preserve health are valid.)