Michigan Cosmetology Licensing Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

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What is a common effect of high pH products on hair?

Drying of the hair

Swelling of the cuticle

High pH products, such as certain shampoos, hair colors, or relaxers, can cause swelling of the cuticle. The cuticle is the outermost layer of the hair shaft, and it consists of overlapping scales. When high pH products are applied, they can raise the cuticle layer, creating space between these scales. This swelling allows for better penetration of the product into the hair's structure, which can be beneficial for treatments but can also lead to damage if used excessively or improperly.

The swelling effect can make hair more porous, which might result in changes to how hair retains moisture and color. It's important for cosmetologists to understand this property when selecting and applying products in order to achieve desired results while maintaining the health of the hair.

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Improved shine

Increased elasticity

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