Infection Control, Sanitation, and Safety
Infection control questions on the Kentucky nail technician exam are rarely about definitions alone. They test whether you can pick the right step in a sequence - clean, then disinfect, then store - and whether you know which items may never be reused. Expect item-count questions, contact-time questions, and scenarios involving blood, fungus, and whirlpool pedicure tubs.
The four levels of control
- Cleaning removes visible debris with soap and water. It always comes first; disinfectant cannot penetrate dirt, oil, or product residue.
- Sanitizing reduces bacteria on surfaces to a level considered safe.
- Disinfecting destroys most bacteria, fungi, and viruses on hard, nonporous implements, using an EPA-registered hospital-grade disinfectant.
- Sterilizing destroys all microbial life including spores and requires an autoclave. Salon nail implements are disinfected, not sterilized.
The implement routine
- Clean each implement with detergent and water, scrub grooves, rinse, dry.
- Submerge it completely in disinfectant for the manufacturer's contact time (commonly 10 minutes).
- Remove with clean tongs or gloved hands, rinse if the label directs, dry, and store in a closed, labeled container.
Porous items - emery boards, buffer blocks, orangewood sticks, cotton, nail wipes, pedicure slippers - cannot be disinfected and are single-use only. Pedicure tubs must be scrubbed with detergent, then filled and run with disinfectant so it circulates through the jets for the full contact time.
Worked example
A client's cuticle nicks and bleeds during nipping. Stop the service, put on fresh gloves, apply antiseptic and a bandage, and discard every porous item touched. Nippers and pusher are cleaned and fully immersed for the labeled contact time before reuse, the table is disinfected, blood-contaminated waste goes into a closed container, and you wash your hands before the next client.
Traps
- "Wiped with alcohol" is not disinfection.
- Topping off a jar instead of replacing cloudy or soiled solution.
- Skipping the pedicure tub jets.
- Treating gloves as a substitute for handwashing.