Why do some conventional plasters cause skin irritations such as itching and rashes there are many reasons including may be impregnated with disinfectant may be irradiated may contain glue made from chemical adhesives may contain pvc may contain cotton grown using chemical fertilisers may contain cotton treated with herbacides or fungacides may contain chemically bleached cotton why are organii plasters different they are are designed to be kind and gentle to the skin while still hel