Antimony oxide is worldwide used as catalyst in Polyester fiber and filament yarn production processes and therefore often part of textile materials. Specifically by sweat partial quantities of these antimony compounds could dissolve out of the textiles and be absorbed via respiratory tract or skin. They can cause irritation of eyes, skin and lungs, especially at sensitive people. The antimonyfree alternative: DIOLEN®HYPOALLERGENIC. Further information about health effects and back ground are available at our current press release.