Georgia Cosmetologist License Practice Exam 2025 - Free Cosmetologist License Practice Questions and Study Guide

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What is the effect of alkalinity in chemical hair services?

It closes the hair cuticle

It opens the hair cuticle

Alkalinity plays a crucial role in chemical hair services, primarily because it affects the structure of the hair cuticle. When the hair is exposed to alkaline substances, the higher pH levels cause the hair cuticle to open or lift. This process is essential for treatments such as perming and coloring, as it allows the chemicals to penetrate the hair shaft effectively. By opening the cuticle, the alkaline products can interact with the inner layers of the hair, facilitating changes in structure or color.

Understanding that alkalinity opens the cuticle is vital for cosmetologists to ensure the proper application of chemical services and achieve the desired results while maintaining the hair's health. Effective use of alkaline solutions is key to successful hair processing.

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It adds moisture to the hair

It strengthens the cuticle layer

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