Cosmetics industry
- Pearlscent Pigments: Mica coated with titanium dioxide or iron oxide create shimmer and sparkle in makeup, nail polish, and skincare.
- Fillers: Improve texture and reduce the oily feel in foundations, powders, etc.
- Sun Protection: Mica can boost the SPF of sunscreens.
- Particle size and shape are crucial for desired effects (e.g., fine for a smooth finish, larger for sparkle).
- Surface treatments can enhance compatibility with other ingredients.
- Ethical sourcing of mica is increasingly important to consumers.