What is the main difference between antiseptics and disinfectants?

The primary distinction between antiseptics and disinfectants lies in their effectiveness and safety concerning living tissue. Antiseptics are specifically formulated to be safe for use on living tissues, which allows them to be applied on skin or mucous membranes to reduce or inhibit microbial growth without causing harm. They are often used in clinical settings for hand sanitization and preparation of skin before surgical procedures, highlighting their safety profile for patients.

On the other hand, disinfectants are designed for use on inanimate objects or surfaces, such as surgical instruments or countertops. They are more potent in their ability to eliminate microorganisms but may contain harsh chemicals that can damage living tissues or cause adverse reactions if applied directly to the skin.

This fundamental difference emphasizes the safety of antiseptics for living tissue as opposed to disinfectants, which are not intended for such use. Thus, the correct choice is reinforced by the specific applications and biological safety of each type of agent.