Examen
Oregon Barber License (practice test for board exam) 2023 GRADED A
- Grado
- Institución
The Cortex The middle layer of the hair. A fibrous protein core formed by elongated cells containing melanin to pigment. Gives hair majority of its strength and elasticity. A healthy Cortex contributes to %80 to the overall strength of the hair. Contains melanin that determines hair color. ...
[Mostrar más]