Selenium disulfide

Selenium disulfide, also known as selenious disulfide, selenous disulfide, or selenium(IV) disulfide is a chemical compound. Its formula should be SeS2. It contains selenium in its +4 oxidation state. It also contains sulfide ions. 
Properties.
Selenium disulfide is an orange solid.
Preparation.
Selenium sulfide can be made by heating selenium and sulfur. 
Uses.
It is used to kill fungi that make dandruff in hair. It can also be used to treat fungal (from fungi) skin infections.