Fabrics You Should Avoid Polyester—Made of plastic and treated with tons of toxic chemicals, including forever chemicals, that rub off on your skin Acrylic—Made of plastic, known to shed microplastics easily Rayon—Treated with toxic chemicals and, like all synthetic materials, very bad for the environment to produce Acetate—Requires extensive chemical processing Nylon—Petroleum-based fiber that receives a laundry list of chemical treatments
