Without making any medical grade claims about these masks, I will just add that indigo is classified as a strong anti microbial agent. It contains polysaccharides and proteins that have been reported to stimulate the immune system, & has historically been used to treat several types of infection.
Pipe Dream Hempworks masks were previously featured on Eli Harrington's Vermontijuana podcast. Learn even more about them here .
Due to the nature of natural dyes, every item is truly unique.