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Mica is used in plastic automobiles fascia and fenders as a reinforcing material, providing improved mechanical properties and increased dimensional stability, stiffness, and strength. Mica-reinforced plastics also have high-heat dimensional stability, reduced warpage, and the best surface properties of any filled plastic composite.
Castor oil and its derivatives are found in many cosmetics as it is "non-comedogenic" (does not exacerbate or contribute to acne). [3]Cerebrosides (cells from the nervous systems of cattle or swine) were once used in some high-end skin-care products to increase moisture retention and to create a smooth skin surface, [4] however the BSE controversy has put an end to this practice.
Ingredients of cosmetic products are listed following International Nomenclature of Cosmetic Ingredients (INCI). These INCI names often differ greatly from systematic chemical nomenclature or from more common trivial names. The below tables are sorted as follows:
Mineral makeup most commonly refers to a foundation in loose powder format. The most common minerals used as the base are mica, bismuth oxychloride, titanium dioxide, or zinc oxide. However, talc is also a mineral, so a talc-based powder could be considered a "mineral makeup"—although most mineral makeup sold makes a point of being talc-free ...
Mica powders, iron oxides and clays can give color pigments to eye shadows. [13] Binders help eye shadow adhere and stay attached to skin. Eye shadows can have dry or liquid binders. Zinc and magnesium, which are both white powders, are commonly used as dry binders. Zinc also adds color and can be used to increase the thickness of the eyeshadow.
Mineral cosmetics are forms of make-up that are composed of compressed minerals. [1] Most of these products are pure mineral, and do not contain any oil or wax additives . [ 2 ] Some kinds of minerals can have beneficial health results for the skin, combining health effects with cosmetic results. [ 1 ]
In the U.S., under the Food, Drug, and Cosmetic Act and the Fair Packaging and Labeling Act, certain accurate information is a requirement to appear on labels of cosmetic products. [6] In Canada, the regulatory guideline is the Cosmetic Regulations. [7] Ingredient names must comply by law with EU requirements by using INCI names. [8]
Cosmetics regulated by the FD&C Act do not need to be approved for pre-market sale, but pre-market approval is required for any color additives used in lipsticks. Currently, the FDA has not set an acceptable lead limit level for lipsticks specifically, but it has set specifications for lead in the color additives [ 61 ] used in lipstick.
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