Polygiene174 permanent odour controlthis dhb garment is treated with polygiene174 permanent odour control helping to keep you fresh and odour free polygiene naturally inhibits the growth of odour causing bacteria and fungi on fabrics allowing you to wear more and wash less clothes can be worn several times before laundering polygiene will help to make your clothing last longer as bacteria and excessive washing do not break down fibers as quickly as they do on untreated material using