Texas Class A Barber Written ExamChemical ServicesEasy
A client with fine, fragile hair desires a permanent wave. The barber chooses an acid-balanced waving lotion. What is the primary advantage of using an acid-balanced perm for this client?
- AIt processes faster, reducing the overall service time.
- BIt causes less damage and is gentler on delicate hair.
- CIt does not require a neutralizer after processing.
- DIt provides a stronger, firmer curl for resistant hair types.
Show answer & explanationAnswer & explanation
Correct answer: B. It causes less damage and is gentler on delicate hair.
Acid-balanced perms have a pH closer to that of hair and skin, making them much gentler than alkaline perms. This characteristic is ideal for fine, fragile, or chemically treated hair as it minimizes damage.
Why the other options are wrong
- A. Acid-balanced perms typically process more slowly than alkaline perms.
- C. All permanent waves require a neutralizer to rebond the disulfide bonds and lock in the curl.
- D. Alkaline perms provide stronger curls, not acid-balanced perms.
Acid-Balanced Perms
Permanent waving solutions with a pH between 4.5 and 7.0, closer to the natural pH of hair, designed to be gentler and less damaging, especially for fragile or color-treated hair.
- Lower pH (4.5-7.0).
- Gentler, less damaging.
- Slower processing time.
- Produces softer, looser curls.
Memory trick: Acid-Balanced: Always Better for Breakable Hair.