California Cosmetology Written ExamSafety and Infection ControlMedium
A wax technician dips the same wooden applicator stick back into the communal wax pot after applying wax to a client's leg. What infection-control violation has occurred?
- AFailure to disinfect the wax pot after each client
- BCross-contamination from double-dipping into shared product
- CFailure to wear gloves during hair removal
- DImproper contact time for the wax product
Show answer & explanationAnswer & explanation
Correct answer: B. Cross-contamination from double-dipping into shared product
Double-dipping a used applicator back into a shared wax pot transfers skin cells, bacteria, and other contaminants from the client into the communal product, contaminating it for all future clients. A fresh stick must be used for every dip.
Why the other options are wrong
- A. The pot itself may be fine; the violation is the applicator technique, not pot disinfection frequency.
- C. Gloves are recommended but the described violation is specifically about the shared applicator.
- D. Contact time applies to disinfectants, not wax application.
Double-Dipping Cross-Contamination
Reinserting a used applicator into a shared product container contaminates the product for all subsequent clients and violates infection-control standards.
- A new, clean applicator must be used for each dip into shared products.
- Applies to wax, creams, and any multi-use container.
- Prevents spread of bacteria, fungi, and viruses between clients.
Memory trick: 'One stick, one dip' — never let a used stick touch the shared pot again.