In order to make their skin more youthful, a variety of cosmetic whitening anti-aging cosmetics and health products quickly became the favorite of women in beauty. Nowadays, the cosmetic market is dazzling. Not all cosmetics can keep you young and healthy for health and safety. Some cosmetics even accelerate skin aging. Therefore, choosing a healthy and safe cosmetics becomes more important. For example, cosmetics containing cinnamic acid, which are currently popular in the market, are highly favored by consumers. People who pay close attention to beauty knowledge know that the main substance that controls our whitening is melanin. Tyrosine can cause a chain reaction that converts tyrosine into a melanin biopolymer. Cinnamic acid inhibits the formation of black tyrosinase. At the same time, it also has a certain insulating effect on ultraviolet rays, which can make the brown spots lighten or even disappear. In addition, cinnamic acid has a significant antioxidant effect, which has a very good effect on slowing the appearance of wrinkles. Choose cinnamic acid to make your skin feel slower!
Gas lighting is production of artificial light from combustion of a gaseous fuel, such as hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, coal gas (town gas) or natural gas.The light is produced either directly by the flame, generally by using special mixes of illuminating gas to increase brightness, or indirectly with other components such as the gas mantle or the limelight, with the gas primarily functioning as a fuel source.Before electricity became sufficiently widespread and economical to allow for general public use, gas was the most popular method of outdoor and indoor lighting in cities and suburbs. Early gas lights were ignited manually, but many later designs are self-igniting.Gas lighting now is generally used for camping, where the high energy density of a hydrocarbon fuel, combined with the modular nature of canisters (a strong metal container) allows bright and long lasting light to be produced cheaply and without complex equipment. In addition, some urban historical districts retain gas street lighting, and gas lighting is used indoors or outdoors to create or preserve a nostalgic effect.
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