Texas Class A Barber Written ExamChemical ServicesMedium

A client complains that their recently colored hair (a vibrant red) fades very quickly, even with color-safe shampoos. During the consultation, the barber observes the hair feels rough and dry. Which characteristic of the hair is most likely contributing to the rapid color fade?

  1. AHigh porosity
  2. BFine texture
  3. CNormal density
  4. DLow elasticity
Show answer & explanation

Correct answer: A. High porosity

High porosity means the hair's cuticle layers are raised, allowing color molecules to escape more easily, leading to rapid fading. Rough, dry hair is a common indicator of high porosity.

Why the other options are wrong

  • B. Fine texture can be more delicate, but high porosity is the direct cause of quick color fade, regardless of texture.
  • C. Normal density refers to the number of hair strands per square inch of scalp and does not directly affect color retention.
  • D. Low elasticity indicates weak hair, but doesn't directly cause rapid color fading; high porosity is the primary cause.

High Hair Porosity

The hair's ability to absorb and retain moisture (and color). High porosity means the cuticle is raised, leading to quick absorption but also quick loss of moisture and color.

  • Cuticle layers are open/raised
  • Absorbs moisture quickly but loses it quickly
  • Feels rough and dry
  • Leads to rapid color fading

Memory trick: Porous hair is 'P'ermeable, 'P'ulling 'P'igment 'O'ut

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