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Texas Class A Barber Written ExamChemical ServicesMedium

A client with 75% gray hair desires a permanent hair color that will provide maximum gray coverage and a rich, natural-looking result. Which type of hair color product would be the most appropriate choice?

  1. ASemi-permanent hair color
  2. BDemi-permanent hair color
  3. CTemporary hair color
  4. DPermanent hair color
Show answer & explanation

Correct answer: D. Permanent hair color

Permanent hair color is the only type that can effectively provide 100% gray coverage and permanently alter the hair's natural pigment, offering long-lasting results.

Why the other options are wrong

  • A. Semi-permanent colors only coat the hair cuticle and offer minimal to no gray blending, washing out over time.
  • B. Demi-permanent colors offer good gray blending but typically do not achieve 100% opaque gray coverage and fade over time.
  • C. Temporary colors only deposit pigment on the hair surface and wash out with the next shampoo, providing no gray coverage.

Permanent Hair Color

Hair color products that permanently alter the hair's natural pigment by penetrating the cortex. They typically contain an oxidative dye and ammonia, mixed with a developer.

  • Provides 100% gray coverage
  • Changes natural hair color
  • Lasts until hair grows out or is cut
  • Requires developer (hydrogen peroxide)

Memory trick: For PERMANENT gray, choose PERMANENT color.

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