Florida Cosmetology Licensing ExamSafety, Sanitation, and SterilizationEasy

A cosmetologist is preparing to clean a workstation after a service. Which of the following EPA-registered disinfectants is appropriate for broad-spectrum efficacy against bacteria, viruses, and fungi on non-porous surfaces?

  1. AIsopropyl alcohol (70%)
  2. BBleach solution (1:100 dilution)
  3. CHydrogen peroxide (3%)
  4. DQuaternary Ammonium Compounds (Quats)
Show answer & explanation

Correct answer: D. Quaternary Ammonium Compounds (Quats)

Quaternary Ammonium Compounds (Quats) are widely used and approved EPA-registered disinfectants in cosmetology for their broad-spectrum efficacy on non-porous surfaces. They effectively kill bacteria, viruses, and fungi.

Why the other options are wrong

  • A. Isopropyl alcohol is an antiseptic and disinfectant but may not meet the broad-spectrum requirements for salon surfaces.
  • B. Bleach solutions are effective but require specific dilution and can be corrosive, and Quats are generally preferred for routine salon disinfection.
  • C. Hydrogen peroxide at 3% is a disinfectant but may not be the primary choice for broad-spectrum salon surface disinfection.

EPA-Registered Disinfectants

Chemical products that have been evaluated and approved by the Environmental Protection Agency (EPA) for their effectiveness in killing specific microorganisms on non-porous surfaces.

  • Must have an EPA registration number.
  • Label specifies efficacy against bacteria, viruses, and fungi.
  • Required for cleaning and disinfecting salon surfaces and multi-use tools.

Memory trick: EPA's seal means it's Safe for Surfaces.

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