Objective. Students will disinfect workstation surfaces, shampoo bowls, styling chairs, and reception area contact points using correct products and techniques between each client service.
This lesson, its worked examples and its practice questions has not yet been verified by a licensed clinician in the field or by a certification or approval body. It is a study draft and may contain errors. Do not use it to make decisions about any patient or medication. Always follow your instructor, your supervising professional, and current official references and regulations.
VoTechWorks program approval and accreditation are still in progress. Credentials are issued only by the certifying bodies named in each program, after their own exams.
Every surface a client touches—or that a cosmetologist touches before touching a client—is a potential route for spreading bacteria, fungi, and viruses. State cosmetology laws require that workstations, shampoo bowls, chairs, and other contact surfaces be properly disinfected between every client. Failing to do so is not just a licensing violation; it is a genuine public health risk. A state board inspector can cite, fine, or close a salon for improper sanitation, and a client can become seriously ill. Your license depends on making surface disinfection a non-negotiable habit.
Not every cleaning product is a disinfectant. A disinfectant is a chemical that destroys or irreversibly inactivates most pathogens on non-living surfaces. Salon disinfectants must be registered with the Environmental Protection Agency (EPA). Registration means the product has been tested and proven effective for its labeled claims. You can identify an EPA-registered product by its EPA Registration Number printed on the label.
Common types used in salons include:
Always read the manufacturer's label. The label is a legal document. Use the correct dilution, wear any required personal protective equipment (PPE) such as gloves, and never mix disinfectants.
| Term | What it does |
|---|---|
| Cleaning | Removes visible dirt and debris; reduces pathogen load but does not kill |
| Sanitizing | Reduces pathogens to a safe level (used for food-contact surfaces; less common in cosmetology as a standalone step) |
| Disinfecting | Destroys most pathogens on a surface; required between clients in cosmetology |
Cleaning must happen before disinfecting. Organic matter such as hair, skin cells, and product residue can block the disinfectant from reaching the surface. The correct order is always: remove debris → clean → disinfect.
Dwell time (also called contact time) is the length of time a disinfectant must remain wet on a surface to achieve the kill level stated on the label. If you spray and wipe immediately, the product has not had enough time to work and the surface is NOT properly disinfected—even though it looks clean.
Skipping or shortening dwell time is the single most common compliance failure observed during state board inspections.
1. Put on gloves. Protect yourself before handling soiled items.
2. Discard all single-use items. Neck strips, cotton rounds, wooden applicators, and any item that contacted a client go directly into a closed trash receptacle. Never reuse single-use items.
3. Remove debris. Sweep or pick up hair clippings, product residue, and any other visible soil from all surfaces.
4. Remove soiled linens. Place used capes, towels, and neck strips in a covered, labeled hamper or laundry bag. Never leave soiled linens on the chair or counter.
5. Spray all identified surfaces with EPA-registered disinfectant. Use enough product to keep surfaces visibly wet.
6. Allow full dwell time as directed on the label. Do not wipe prematurely.
7. Wipe surfaces with a clean paper towel if directed by the label, or allow to air dry.
8. Place clean linens. Use clean tongs or wash hands before handling clean linens. Set out fresh towels, a clean cape, and a clean neck strip for the next client.
9. Dispose of gloves and wash hands before greeting the next client.
Clean and soiled linens must never occupy the same space. Clean linens are stored in a closed, clean container or on a clean shelf. Soiled linens go into a covered hamper. Launder linens with a detergent appropriate for the fabric and dry at sufficient heat to reduce pathogens. Document your laundry practices if your state or salon requires it.
State boards base inspection criteria on the same principles taught here. During a real inspection, the inspector may ask you to explain why a step is required, not just what you did. Being able to state, for example, "I allow the disinfectant to remain wet for the full dwell time on the label because that is the minimum contact time needed to destroy pathogens" demonstrates professional competence and protects your license.
Answer each question, then check it. Nothing is recorded; this is your own practice.
A free tech program — complimentary, as our commitment to get America working. Help us build VoTechWorks. Tell us what works, what doesn’t, and what you want to learn.