Cosmetology · Infection Control and Safety

What does it mean for an item to be 'porous,' and why does it matter for infection control?

Correct answer

It has openings/absorbs material, so it usually cannot be fully disinfected and is treated as single-use

  1. A It is made of metal
  2. B It is always safe to reuse
  3. C It has openings/absorbs material, so it usually cannot be fully disinfected and is treated as single-use
  4. D It is waterproof and reusable

Why this is the answer

A porous item has tiny openings or absorbs liquids and materials (like emery boards, buffers, wooden sticks, and some foam), which means pathogens can become embedded and the item cannot be reliably cleaned and disinfected. For that reason, porous items are generally treated as single-use and discarded after one client. Nonporous items (metal, glass, hard plastic) have smooth, sealed surfaces that can be properly cleaned and disinfected for reuse. Distinguishing porous from nonporous determines whether a tool is disposable or reusable.
Source: Scientific Concepts — Porous vs Nonporous

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About this topic: Infection Control and Safety

Infection control questions cover the types of pathogens (bacteria, viruses, fungi, parasites), how infection spreads in a salon, Standard Precautions, and the salon professional's responsibilities. This is the most heavily tested theory topic in every state. This is one of 11 Scientific Concepts questions on infection control and safety, each with a full explanation on a single study page.

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