NIC Barber Written (Theory) ExamScientific ConceptsMedium
A barber is analyzing a client's hair and notices that it feels coarse and resistant to chemical services. This texture is generally associated with which type of hair porosity?
- ANormal porosity
- BHigh porosity
- CLow porosity
- DModerate porosity
Show answer & explanationAnswer & explanation
Correct answer: C. Low porosity
Low porosity hair has tightly closed cuticles, making it resistant to moisture penetration and chemical services. It often feels coarse and takes longer to process.
Why the other options are wrong
- A. Normal porosity is not a standard classification; hair is typically categorized as low, moderate, or high porosity.
- B. High porosity hair has a raised or damaged cuticle, absorbing moisture quickly but losing it easily, often feeling dry or rough, but not necessarily 'resistant' in the same way as low porosity.
- D. Moderate porosity hair has a slightly raised cuticle, allowing for good absorption and retention, not typically described as coarse and resistant.
Hair Porosity
The ability of hair to absorb moisture, determined by the condition of the cuticle layer.
- Low porosity: tightly closed cuticle, resists moisture.
- Moderate porosity: slightly open cuticle, healthy balance.
- High porosity: open/damaged cuticle, absorbs quickly, loses quickly.
Memory trick: LOC-MO-HI: Low, Moderate, High, know your hair's flow!