Oregon Esthetician State Board

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What is a common use for mica in cosmetic products?

Preservative
Texturizer
Coloring agent
Emulsifier

The correct answer is: Coloring agent

Mica is commonly used in cosmetic products primarily as a coloring agent. Its natural mineral composition allows it to provide shimmer and iridescence, enhancing the visual appeal of products such as eyeshadows, highlighters, and other makeup products. The unique light-reflecting properties of mica create a luminous effect, making it a favored ingredient in formulations aimed at achieving a radiant finish on the skin. While other options like preservatives, texturizers, and emulsifiers play important roles in cosmetic formulations, they do not capture the primary function of mica. Preservatives help prevent microbial growth, texturizers enhance the feel or consistency of a product, and emulsifiers facilitate the combination of oil and water-based ingredients. Mica stands out as a key ingredient specifically for its ability to add color and sparkle to various cosmetic products.