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Petroleum jelly can be used to reduce the friction between skin and clothing during various sport activities, for example to prevent chafing of the seat region of cyclists, or the nipples of long distance runners wearing loose T-shirts, and is commonly used in the groin area of wrestlers and footballers.
In addition to industrial applications, lubricants are used for many other purposes. Other uses include cooking ( oils and fats in use in frying pans and baking to prevent food sticking), to reduce rusting and friction in machinery , through the use of motor oil and grease , bioapplications on humans (e.g., lubricants for artificial joints ...
[5] [7] The solvent that is used as a dispersion medium can be aqueous, organic, inorganic, or a system of different solvents. [5] Topical gels are used as a contact or transport medium for active drugs to act on [4] or through the skin. [9] The active drug molecules are entwined into the 3D mesh of the gel and delivered to the site of action.
Polydimethylsiloxane (PDMS), also known as dimethylpolysiloxane or dimethicone, is a silicone polymer with a wide variety of uses, from cosmetics to industrial lubrication and passive daytime radiative cooling. [1] [2] [3] PDMS is particularly known for its unusual rheological (or flow) properties.
Squalene has a role in topical skin lubrication and protection. [6] Most plants, fungi, and animals produce squalene as biochemical precursor in sterol biosynthesis, including cholesterol and steroid hormones in the human body. [7] [8] [9] It is also an intermediate in the biosynthesis of hopanoids in many bacteria. [10]
Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .
Personal care ingredients: Chemicals used in the formulation of cosmetics, toiletries, and other personal care products, such as emulsifiers, surfactants, and moisturizing agents. Pharmaceuticals: Active ingredients and excipients used in the production of prescription and over-the-counter drugs.
K-Y Jelly was initially used as a surgical lubricant before it gained popularity as a personal lubricant. [citation needed] Lignocaine gel containing the local anaesthetic lignocaine is a prime example of a non-irritating substances used as surgical lubricant [citation needed] Medicinal castor oil was the original vegetable-based surgical ...