Vaseline is mainly a chemically inert hydrocarbon and has no bactericidal ability; But it is not hydrophilic and will not be absorbed. When applied to the skin, it can form a thin film on its surface, making it difficult for water to evaporate and dissipate, keeping the skin moist and blocking the contact between bacteria from the air and the skin, thus reducing the possibility of infection.
Vaseline is suitable for cosmetic raw materials, and can be used to make hair cream, hair oil, hair wax, lipstick, facial oil, skin care grease, etc. Add some lipstick you like and put it in the microwave oven to heat it slightly. After softening, mix them evenly and put them in a small cosmetic box to make personal lipstick.
Applying it to eyebrows can make them smooth and look darker. Vaseline is not irritating to any skin because it is chemically inert. It can stop bleeding and relieve pain when applied to small wounds or minor burns, prevent diaper rash when applied to baby's buttocks, or lubricate baby's anus thermometer to relieve discomfort.
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Naming source:
/kloc-in the 0/9th century, an oil driller in a new oil field in Pennsylvania, USA, found that the rod wax on the sucker rod had a certain analgesic effect on burns and cuts. 1859, pharmacist and chemist Robert Chesenberg.
After visiting Brooklyn, new york, he collected some wax scales and brought them back for research. It took him 65,438+065,438+0 years to refine these petroleum residues and make a petroleum-based ointment that will not deteriorate.
This by-product is also called petroleumjelly, in which "petroleum" is oil and "jelly" refers to colloidal substances.
The chemical industry was called vaseline in the early days, and the commercial vaseline produced by the two companies was called vaseline and Sheridan respectively. Robert Chesenberg named it Vaseline, and applied for an American patent at 1870. The name may come from the combination of the German word "wasser" and the Greek word "elaeon".