Making “100% Cotton or Wool” Really 100% Cotton or Wool

I mentioned before having a lot a shirts and socks that were *almost* wearable with my chemical allergies, except for the presence of polyester or nylon in the threads. Polyester is made with polyethylene glycol, which is a cross-reactor with my allergen propylene glycol, and nylon fibres are lubricated with an oil containing isothiazolinone(s). While […]