Disinfectants are many active chemical compounds called biocides, which can fight microorganisms on noninvolving surfaces and human skin It is an antimicrobial agent that can applied on the surface of some objects in order to destroy the microorganisms residing on it. The types of disinfectants include alcohol, chlorine and chlorine compounds, formaldehyde, glutaraldehyde, hydrogen peroxide, iodophors, and phenolic.