As a pharmaceutical chemical, zinc sulphate iron free is used to treat zinc deficiency ( used as a dietary supplement) that can lead to condition like poor physical and mental growth. It is also used to formulate medications for treating diarrhea, dermatitis and wound. This chemical is required to produce lotions and creams of specific medicinal value. It is used as an important pharmaceutical ingredient for treating Wilson's disease, which is a rare genetic disorder affecting normal functions of liver. Available in crystalline form, zinc sulphate iron free is also used as an antiseptic and as astringent for wound healing purpose.