Components of Glitter
Glitter is made from light-reflecting particles, and its use dates back thousands of years. In fact, prehistoric man used mica flakes for cave paintings because of its reflective quality. Glitter is used in crafts, makeup and as an edible decoration for cakes and baked goods. The components of glitter range from paper and glass to gum arabic, and they are treated and dyed to form a variety of colors.
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Craft Glitter
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Craft glitter is made by attaching a reflective material to a more solid backing. Aluminum foil or synthetic polymers are commonly used due to their low cost and reflective quality. Materials are treated with iron oxides to add pigment and change the color. After the sheets have been dyed, they are cut or shredded into minuscule pieces, usually 1 millimeter or smaller.
Cosmetics
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Glitter is often found in eyeshadow or bronze to brighten and enhance the features of the wearer. The components of cosmetic glitter are very fine. Mica, a silicate mineral, is the most commonly used ingredient. Mica is often treated with iron oxide and titanium dioxide. Bismuth oxychloride, a chalky white compound, is often used to create a "shimmer" effect.
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Edible
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Edible glitter is used for culinary purposes as an unflavored decoration. It is advantageous because it can withstand temperatures up to 450 degrees and is insoluble to most liquids. Edible glitter's primary ingredient is gum arabic. Gum arabic is thinly painted onto a surface, then broken off into small pieces when dried. Natural and artificial dyes are used in coloring edible glitter.
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References
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