Examen
Oregon Barber License (practice test for board exam) 2024
- Cours
- Établissement
- Outer most layer of the hair. It consists of a single, overlapping layer of transparent, scale-like cells that resemble shingles on a roof. It protects the inner cortex layer and contributes to 20% of overall strength of hair. The Cortex - The middle layer of the hair. A fibrous protein core f...
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