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Red Dye No. 3 is an artificial food coloring derived from petroleum, commonly added to foods, drinks, supplements and drugs to create an appealing cherry-red or pink hue.
It is a red-pink dye used for food coloring, cosmetics, hair coloring, pet products, and diverse industrial colorings. [ 2 ] [ 3 ] It is the disodium salt of 2,4,5,7-tetraiodo fluorescein . [ 2 ]
Glass containing two or more phases with different refractive indices shows coloring based on the Tyndall effect and explained by the Mie theory, if the dimensions of the phases are similar or larger than the wavelength of visible light. The scattered light is blue and violet as seen in the image, while the transmitted light is yellow and red.
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A variety of food colorings, added to beakers of water. Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking.
Biotin. This B vitamin is an ingredient in many different hair supplements—for good reason. “Biotin is a water-soluble vitamin that supports the growth of hair, skin, and nails by helping to ...
Developing gray hair is common with increasing age, although some people want to avoid these hair changes. One recent study in mice found that internal and external treatments with the antioxidant ...
Uranium glass used as lead-in seals in a vacuum capacitor Uranium glassware glowing under ultraviolet light. Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century ...