merck mica pigments alternative

Silver white pearlescent pigments are the workhorse of the effect pigment world. They underpin everything from automotive basecoats to nail polish, and the formulation logic behind them hasn't changed much in decades: mica flakes coated with titanium dioxide, tuned by particle size and TiO₂ crystal form to deliver a specific balance of whiteness, brightness, and sparkle. What has changed is the supply landscape.