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Glossy lipstick contains more oil to give a shiny finish to the lips. Shimmery or frost lipstick may contain mica, silica, and synthetic pearl particles, such as bismuth oxychloride, to give them a glittery or shimmering shine. [7] Lipstick is made from grinding and heating ingredients. Then heated waxes are added to the mix for texture.
Lipstick is known to have been used around 5000 years ago in ancient Babylon, when semi-precious jewels were crushed and applied to the lips and occasionally around the eyes. Ancient Egyptians extracted purplish-red dye from fucus-algin , 0.01% iodine , and some bromine mannite, which resulted in serious illness.
Lip products, including lipstick, lip gloss, lip liner and lip balms, commonly add color and texture to the lips, as well as serving to moisturise the lips and define their external edges. [5] Products adding colour and texture to the lips, such as lipsticks and lip glosses, often come in a wide range of colors as well as a number of different ...
Download as PDF; Printable version; In other projects Wikiversity; Wikidata item; ... Media in category "Chemistry images" The following 6 files are in this category ...
Download as PDF; Printable version; In other projects Wikidata item; ... Pages in category "Lipstick" The following 6 pages are in this category, out of 6 total.
Like lipstick, lip liners are composed of waxes, oils, and pigment. Compared to lipstick, lip liners are firmer in consistency and more deeply pigmented, making them suitable for drawing on to the lip with precision. For these reasons, lip liners have less oil but more wax and pigment than most lipsticks.
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Barton's Nobel Prize in Chemistry in 1969 was awarded for his work on understanding conformations of organic molecules, work which was key to realizing the utility of the Barton Reaction. [ 2 ] The Barton reaction involves a homolytic RO–NO cleavage, followed by δ- hydrogen abstraction , free radical recombination, and tautomerization to ...