Dyes and pigments are substances that are used to impart color to liquid solutions and solid materials. Dyes are generally soluble (or partly soluble) organic compounds used in the textile industry to color fabrics, textile fibers and clothing. In...

Plant pigments are essential for photosynthesis, a process that supports all plant and animal life. They also play a key role in sensing light to regulate plant development and in establishing the communication between plants and the animals around...

A natural or synthetic metal oxide, sulfide, or other salt used as a coloring agent for paints, plastics, and...

Thin, opaque aluminum or copper alloy flakes that are incorporated into plastic masses to produce metal-like...

A pigment is a material that changes the color of light it reflects as the result of selective color absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which the material itself emits light....

The increasing cost of raw materials has been among the most serious concerns of printing ink manufacturers in recent years. As the cost of resins, varnishes and other additives have gone up due to increases in the price of crude oil and other...

Imparting color to products and creations has been the manifestation of aesthetic and intellectual acumen of commercial and artistic endeavors. Even in prehistoric days, man exploited the potential of color in cave drawings and in colorful clothes. Chemically speaking, the generic coloring materials...

If you think beauty can't go more than skin deep, swallow this: Health officials on Thursday said drug companies could start gussying up their pills with pigments like those that give cosmetics a pearly sheen. The pearlescent pigments...

Carlotta Aiken's cheeks are sprinkled with brown spots, just like her grandmother had. "She lived to be 93," Aiken tells Dr. Simon Yoo, who is using a laser to remove the spots, a benign skin condition called dermatosis...