Antiseptics vs. Disinfectants: Key Differences & Uses

Antiseptics and disinfectants are chemicals that are used on people and objects to kill bacteria that can lead to illness and infection; however, these chemicals serve different roles, and the application of the wrong antibacterial can have adverse effects.

Function

• Antiseptics are designed to killing microorganisms on the skin. Disinfectants are used to kill microorganisms on inorganic objects.

Uses

• Antiseptics are often used prior to surgery and in hand washing. Disinfectants are often used in household cleaners.

Strength

• Antiseptics are not as strong as disinfectants and do not have the power to kill most of the bacteria and other microorganisms on surfaces.

Types

• Alcohol, chlorhexidine and anilides act as antiseptics. Glutaraldehyde, vantocil, phthalaldehyde and formaldehyde act as disinfectants

Warning

• Studies on mice have found that disinfectants can cause skin hardening, lesions, skin erosion and inflammation. Antiseptics do not have harmful effects when applied to the skin.