Montana Cosmetology Licensure Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What component is typically not recommended for use in hair products for color-treated hair?

Preservatives

Sulfates

Sulfates are typically not recommended for use in hair products designed for color-treated hair because they are strong surfactants that can strip natural oils and color from the hair. When hair is color-treated, it is more vulnerable to damage, and sulfates can lead to faster fading of hair color and increased dryness.

In contrast, preservatives are essential for preventing microbial growth and extending the shelf life of products, making them important even for color-treated hair. Natural oils can help nourish and hydrate the hair, enhancing shine and manageability while maintaining the integrity of color. Proteins play a critical role in strengthening and repairing hair fibers, making them beneficial for maintaining the health of color-treated hair. Thus, while other components serve vital functions, sulfates pose a risk of compromising the color and health of treated hair.

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Natural oils

Proteins

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