Antiseptics and disinfectants act by destroying the integrity of the cell membranes of microorganisms.
Antiseptics are chemical substances which are used to kill microorganisms that cause infections.
Disinfectants are also chemical substances which act to remove or destroy infectious organisms.
The mode of action of antiseptics and disinfectants is to destroy the integrity of the cell man of infectious agents so that the cellular contents leak out and the cells die.
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