What is lysol

Last updated: April 1, 2026

Quick Answer: Lysol is a brand-name disinfectant spray that kills bacteria, viruses, and fungi on household surfaces. It's widely used for sanitizing countertops, doorknobs, and other frequently touched items.

Key Facts

Overview

Lysol is a commercial disinfectant brand that has become synonymous with household surface sanitization. The product kills a broad spectrum of microorganisms including bacteria, viruses, and fungi, making it a popular choice for maintaining hygiene in homes and offices.

History and Development

Lysol was first developed in 1908 and has remained one of the most recognized disinfectant brands worldwide. The name originally referred to a saponified cresol solution, though modern formulations have evolved significantly.

Types and Formulations

Lysol is available in several forms to suit different cleaning needs:

Active Ingredients

Modern Lysol products typically contain alkyl dimethyl benzyl ammonium saccharinate, a quaternary ammonium compound that disrupts microbial cell membranes. Most formulations also include water, fragrance, and other inactive ingredients.

Effectiveness

When used according to label directions, Lysol kills 99.9% of bacteria and viruses on hard, non-porous surfaces. The product requires proper contact time (typically 3-10 minutes) to achieve maximum effectiveness against various pathogens including cold and flu viruses.

Safe Use and Precautions

Lysol should be used in well-ventilated areas to avoid inhalation of aerosol particles. The product should not be ingested and should be kept away from children and pets. Always follow label instructions and avoid mixing with other cleaning products, particularly bleach.

Related Questions

What surfaces can you use Lysol on?

Lysol is safe for hard, non-porous surfaces including countertops, doorknobs, phones, and bathroom fixtures. Avoid using on porous materials like fabrics or wood unless specifically formulated for those surfaces.

Is Lysol effective against COVID-19?

Yes, Lysol disinfectant spray is effective against SARS-CoV-2 when sprayed on hard surfaces and allowed proper contact time. The EPA and CDC have included Lysol on their lists of approved disinfectants.

What's the difference between Lysol and bleach?

Lysol contains quaternary ammonium compounds while bleach uses sodium hypochlorite. Lysol is generally safer for household use and leaves no harsh chemical residue, whereas bleach is stronger but more corrosive and toxic.

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Sources

  1. Wikipedia - Lysol CC-BY-SA-4.0
  2. EPA List N - Approved Disinfectants Public Domain