A batch of injection-molded cups comes off the line. They're bright red at room temperature. Pour hot coffee in, and they turn transparent, revealing a printed message underneath. That's not a coating trick or a printed effect—that's thermochromic pigment responding to a physical st...
Thermochromic pigment delivers a functional color-change effect — shifting from vivid to colorless or transitioning between two distinct hues in response to body heat — making it one of the more technically demanding ingredients to formulate correctly in nail and cosmetic systems. For na...