THE COMPLETE SHAMPOO STYLING LICENSING MASTER BOOK – CHAPTER 5 – Sanitation, Disinfection & Sterilization

ditranllc Books, Shampoo and Styling, State Board

Gold-Standard Education & Public Trust Statement

This chapter is part of the Louisville Beauty Academy Gold-Standard Licensing Series.

Louisville Beauty Academy (LBA) develops and publishes this educational content as part of its commitment to public education, transparency, and professional responsibility in state-licensed beauty training.

Our curriculum is built on a simple principle:
licensure is a public trust.

To honor that trust, LBA continuously adapts, adopts, evolves, and improves its educational materials based on:

  • Changes in state law and regulation
  • Updates to licensing exams and standards
  • Real classroom instruction and outcomes
  • Ongoing regulatory oversight and compliance

Each chapter in this book is intentionally written, reviewed, and updated to reflect current standards at the time of publication.

Important Notice on Use

This material is made freely accessible to the public for educational understanding and transparency.
However, it is not authorized for copying, reproduction, or redistribution as curriculum, course material, or commercial content without written permission from Louisville Beauty Academy.

For Students

This chapter represents the Gold-Standard expectation:

  • Learn with discipline
  • Respect scope of practice
  • Prioritize safety and compliance
  • Prepare to earn licensure correctly

For Partners & Educators

This chapter reflects LBA’s belief that quality education is living education — continuously refined, documented, and accountable.

Louisville Beauty Academy does not claim perfection.
We commit instead to constant improvement.

Gold-Standard education is not static.
It evolves with the law, the exam, and the responsibility we carry to the public.

— Louisville Beauty Academy

CHAPTER 5 – Sanitation, Disinfection & Sterilization

(PSI-Tested Differences — Know What to Use and When)

5.1 Why PSI Separates These Three Terms

One of the most common reasons students fail the PSI exam is confusing:

  • Sanitation
  • Disinfection
  • Sterilization

PSI tests:

  • When each is required
  • What each does
  • What tools and surfaces apply

📌 Using the wrong term = wrong answer.

5.2 Sanitation

Sanitation is the process of:

  • Cleaning to remove visible debris
  • Reducing the number of microorganisms

Sanitation includes:

  • Washing with soap and water
  • Removing hair, dirt, and product buildup
  • Cleaning surfaces before disinfection

📌 Sanitation does not kill all microorganisms.

5.3 Disinfection

Disinfection is the process of:

  • Destroying harmful microorganisms
  • Using approved chemical agents
  • Applying to non-porous tools and surfaces

Disinfection requires:

  • An EPA-registered disinfectant
  • Following manufacturer instructions
  • Correct contact time

📌 PSI heavily tests contact time.

5.4 Sterilization

Sterilization is the process of:

  • Destroying all microorganisms, including spores

📌 Sterilization is NOT required for shampoo & styling tools under Kentucky law.

PSI may include sterilization as a distractor.

5.5 EPA-Registered Disinfectants

Only EPA-registered disinfectants may be used.

Licensees must:

  • Read labels
  • Follow dilution instructions
  • Observe contact time
  • Store properly

📌 Improper dilution = improper disinfection.

5.6 Contact Time (PSI Favorite)

Contact time is the amount of time a disinfectant must remain wet on a surface to be effective.

Key rules:

  • Do not rinse early
  • Do not shorten time
  • Follow manufacturer instructions

PSI often asks:

“What is the BEST way to disinfect…?”

Correct answer includes full contact time.

5.7 Non-Porous vs. Porous Tools

Non-Porous Tools

  • Combs
  • Brushes (with non-porous handles)
  • Clips
  • Thermal tools

✅ Can be disinfected

Porous Items

  • Towels
  • Neck strips
  • Cotton
  • Sponges

❌ Cannot be disinfected
❌ Must be laundered or discarded

5.8 Storage of Clean and Dirty Tools

  • Dirty tools must be kept separate
  • Clean tools must be stored in a clean, covered container
  • Disinfected tools must not touch contaminated surfaces

📌 PSI tests tool storage often.

5.9 Laundry Rules

Soiled towels must:

  • Be placed in a closed container
  • Be laundered properly
  • Never be reused without cleaning

Towels contaminated with blood:

  • Must be discarded properly

5.10 Workstation Sanitation

After each client:

  • Clean surfaces
  • Disinfect non-porous areas
  • Dispose of single-use items

PSI expects sanitation between every client.

5.11 PSI Sample Questions — Sanitation & Disinfection

What is the BEST method for disinfecting a comb?

A. Wash with soap and water
B. Wipe with disinfectant
C. Immerse in EPA-registered disinfectant for required contact time
D. Rinse with hot water

✅ Correct Answer: C

Which item must be discarded after use?

A. Comb
B. Brush
C. Towel with blood
D. Curling iron

✅ Correct Answer: C

5.12 Common PSI Traps

Trap #1: Skipping Sanitation

❌ Disinfection without cleaning first is wrong.

Trap #2: Sterilization Confusion

❌ Sterilization is not required.

Trap #3: Porous Tool Disinfection

❌ Porous items cannot be disinfected.

5.13 Chapter 5 Key Takeaways

✔ Sanitation cleans
✔ Disinfection destroys microorganisms
✔ Sterilization is not required
✔ EPA-registered disinfectants are mandatory
✔ Contact time matters