Chemical Services is 1 of 13 topics on the Texas Class A Barber written exam — 31 of the 300 questions in FadeJunkie's Milady-sourced bank cover it. Below are 15 real Chemical Services questions with real answers.
What side effect is associated with finasteride?
Loss of sexual function — a documented side effect of this oral hair-loss medication.
What determines hair's ability to absorb haircoloring products?
Porosity.
What kind of color is red?
A warm color — as opposed to cool colors like blue, green, and violet.
What term describes the warmth or coolness of a haircolor?
Tone.
What do you use to correct excessive porosity before a color service?
Fillers.
What is the main oxidizing agent used in haircoloring?
Hydrogen peroxide.
What are the three primary colors?
Red, blue, and yellow.
What is the reducing agent in alkaline perms?
Ammonium thioglycolate.
What is the oldest and most commonly used chemical hair relaxer?
Sodium hydroxide.
What is another term for an activator in a chemical service?
Accelerator.
What is the process of coloring hair back to its natural color called?
A tint back.
Which ingredient in dandruff shampoo is classified as cationic?
Quaternary ammonium compounds.
Why is fluorescent lighting a poor choice for judging existing haircolor?
It distorts color perception — a well-lit room with natural or incandescent light gives a truer read.
What's the typical pH range for hair conditioners?
About 3.0 to 5.5 — acidic, which helps close the hair cuticle.
Why should aniline derivative tints never be used to color a mustache?
They're a known allergy/irritation risk close to the eyes and mouth — safer alternatives exist for facial hair.
These 15 are a sample. The full FadeJunkie bank has 31 real Chemical Services questions (plus 31 matching flashcards) — try the Chemical Services practice quiz or flip through the Chemical Services flashcards for free. A one-time $15 lifetime pass unlocks full multi-topic study and the complete 300-question bank across all 13 tested topics.
Chemical Services is one of 13 topics tested on the Texas barber written exam. See the Texas Barber State Board Exam Guide for the full exam process, or browse every topic from the Education Hub.
Questions and answers are drawn from the Milady Standard Barbering curriculum, the same textbook Texas barber schools use to prepare students for the TDLR/PSI state board exam.