Science Daily: Topical cream shows promise in treatment of skin pigmentation disease, vitiligo
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Physical principles A wide variety of wavelengths (colors) encounter a pigment. This pigment absorbs red and green light, but reflects blue—giving the substance a blue-colored appearance. Like all materials, the color of pigments arises because they absorb only certain wavelengths of visible light.
The meaning of PIGMENT is a substance that imparts black or white or a color to other materials; especially : a powdered substance that is mixed with a liquid in which it is relatively insoluble and used especially to impart color to coating materials (such as paints) or to inks, plastics, and rubber.
What is a pigment? Have you ever wondered how paint is made? To create paint, artists need powdery substances called pigments. Pigments give paint its color. While some pigments are made from chemicals in factories, many pigments are natural, created by grinding and sifting substances found in the living world. Do you see the red fabric on this ...
Pigment, any of a group of compounds that are intensely coloured and are used to colour other materials. Pigments are insoluble and are applied not as solutions but as finely ground solid particles mixed with a liquid.
In biology, the term "pigment" is defined somewhat differently, where a pigment refers to any colored molecule found in a cell, regardless of whether or not it is soluble.