What does roughness indicate during a porosity test?

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Multiple Choice

What does roughness indicate during a porosity test?

Explanation:
Roughness during a porosity test signals higher porosity with a damaged cuticle. When the cuticle scales are raised or rough, they don’t lay flat, so the hair can absorb moisture and chemicals more quickly. This texture is typical of highly porous, often damaged hair. In contrast, smooth, tightly packed cuticles indicate low porosity, and a situation with no porosity or unchanged porosity wouldn’t show that rough texture.

Roughness during a porosity test signals higher porosity with a damaged cuticle. When the cuticle scales are raised or rough, they don’t lay flat, so the hair can absorb moisture and chemicals more quickly. This texture is typical of highly porous, often damaged hair. In contrast, smooth, tightly packed cuticles indicate low porosity, and a situation with no porosity or unchanged porosity wouldn’t show that rough texture.

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