Texas Cosmetology License Practice Exam 2025 - Free Cosmetology License Practice Questions and Study Guide

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What is the primary purpose of a hair serum?

To style hair in intricate designs

To add shine and reduce frizz

The primary purpose of a hair serum is to add shine and reduce frizz. Hair serums are formulated with various silicones and oils that coat the hair, creating a smooth surface that reflects light, which enhances shine. Additionally, these products help to control frizz by sealing the cuticle of the hair strands, preventing moisture from entering and causing the hair to swell and frizz. This makes serums particularly effective for those with frizzy or dry hair, as they can improve the overall texture and appearance.

While hair serums may provide some level of protection against heat damage when used before styling tools, their main function centers on enhancing shine and managing frizz. Other options listed focus on styling, cleansing, or heat protection, which are different functions not primarily associated with the role of a hair serum.

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To cleanse the hair

To protect hair from heat damage

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