Texas Class A Barber Written ExamChemical ServicesEasy
A barber is preparing to perform a permanent waving service on a client who has previously colored their hair. Which of the following actions should the barber take to assess the hair's ability to withstand the chemical process?
- APerform a preliminary strand test to observe the hair's reaction to the waving lotion.
- BApply a small amount of waving lotion directly to a test strand without wrapping.
- CProceed with the entire service, as colored hair typically reacts predictably to perms.
- DIncrease the processing time to ensure the perm takes effectively on colored hair.
Show answer & explanationAnswer & explanation
Correct answer: A. Perform a preliminary strand test to observe the hair's reaction to the waving lotion.
Performing a preliminary strand test is crucial for assessing how colored hair will react to permanent waving chemicals, helping to prevent damage and achieve desired results. This test allows the barber to observe elasticity, processing time, and the final curl pattern.
Why the other options are wrong
- B. Applying waving lotion without wrapping does not accurately simulate the permanent waving process and would not provide a reliable assessment.
- C. Colored hair can react unpredictably to perms, making a preliminary test necessary to avoid damage.
- D. Increasing processing time without a strand test can lead to over-processing and severe damage, especially on colored hair.
Permanent Wave Strand Test
A preliminary test performed on a small section of hair to determine its processing time, elasticity, and desired curl pattern before applying permanent waving solution to the entire head.
- Essential for chemically treated or damaged hair.
- Helps prevent over-processing and damage.
- Confirms the hair's ability to hold a curl.
Memory trick: Pre-Perm Probe: Protect, Predict, Perform.