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A sebaceous gland or oil gland[1] is a microscopic exocrine gland in the skin that opens into a hair follicle to secrete an oily or waxy matter, called sebum, which lubricates the hair and skin of mammals. [2] In humans, sebaceous glands occur in the greatest number on the face and scalp, but also on all parts of the skin except the palms of ...
Petroleum jelly. Petroleum jelly, petrolatum, white petrolatum, soft paraffin, or multi-hydrocarbon, CAS number 8009-03-8, is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25), [ 1 ] originally promoted as a topical ointment for its healing properties. [ 2 ] Vaseline has been an American brand of petroleum jelly ...
Balm of Gilead. Balm of Gilead was a rare perfume used medicinally that was mentioned in the Hebrew Bible and named for the region of Gilead, where it was produced. The expression stems from William Tyndale 's language in the King James Bible of 1611 and has come to signify a universal cure in figurative speech.
Grease (lubricant) Grease is a solid or semisolid lubricant formed as a dispersion of thickening agents in a liquid lubricant. Grease generally consists of a soap emulsified with mineral or vegetable oil. A common feature of greases is that they possess high initial viscosities, which upon the application of shear, drop to give the effect of an ...
Lubricant. A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.
Ambergris in dried form. Ambergris (/ ˈæmbərɡriːs / or / ˈæmbərɡrɪs /; Latin: ambra grisea; Old French: ambre gris), ambergrease, or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. [ 1 ] Freshly produced ambergris has a marine, fecal odor.
Beeswax. A beekeeper from Vojka, Serbia, making a bee hive frame. Beeswax (also known as cera alba) is a natural wax produced by honey bees of the genus Apis. The wax is formed into scales by eight wax-producing glands in the abdominal segments of worker bees, which discard it in or at the hive. The hive workers collect and use it to form cells ...
Picamar. Picamar is a colorless, hydrocarbon oil extracted from the creosote of beechwood tar with a peculiar odor and bitter taste. It consists of derivatives of pyrogallol. It was discovered by German chemist Carl Reichenbach in the 1830s. Picamar can be used to lubricate machinery.