# Which Hair Texture Resists Chemical Services the Most?

> The answer is coarse hair, which resists chemical processing more than fine or medium hair. Texas barber exam hair science answer.

Canonical: https://fadejunkie.com/practice/hair-science/coarse-hair-resistant-to-chemical-processes  
Last updated: 2026-08-11

**The answer is coarse hair. Its thicker shaft and cuticle make it more resistant to chemical processing than fine or medium hair.**

Fine hair is the opposite case — thinner and more fragile, it processes faster and is more prone to damage from the same chemical service. Porosity is a related but separate hair property from texture, and this question is specifically about strand diameter, where coarse sits on the resistant end.

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