Electrolysis Practice Exam 2026 – Comprehensive All-in-One Guide to Master Electrolysis Certification!

Question: 1 / 400

What function do the outer scales of hair provide?

Color to the hair

Strength to the hair

The outer scales of hair, known as the cuticle, play a crucial role in providing strength to the hair. The cuticle consists of overlapping, flat cells that form a protective layer around the inner fibers of the hair shaft. This structure not only shields the more delicate layers beneath from damage but also helps prevent moisture loss and mechanical wear.

By maintaining the integrity of the hair shaft, the cuticle supports its overall strength and resilience. When the cuticle is intact, it contributes to the hair's shiny appearance and ability to withstand various environmental factors. Damage to the cuticle can lead to weakened hair, making it more susceptible to breakage and other forms of harm. Thus, the primary function of the outer scales is to enhance the strength and durability of the hair.

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Moisture retention

Flexibility to the hair

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