Mica is a naturally occurring mineral that comes in various forms, including:
* Muscovite mica: This is a clear, colorless mica often used for its shimmery properties in cosmetics.
* Biotite mica: This type of mica is darker and often has a bronze or black hue, making it ideal for creating a more dramatic effect.
These mica minerals are ground into fine flakes or powder and added to makeup products like eyeshadows, highlighters, and lip glosses to create a shimmering, pearlescent finish.