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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 ...
Skin secretions. Skin secretions are those substances and materials that are secreted by the skin and the external mucous membranes. Some skin secretions are associated with body hair. Skin secretions originate from glands that in dermal layer of the epidermis. Sweat, a physiological aid to body temperature regulation, is secreted by eccrine ...
Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound (a vicinal diol [7]) with the formula (CH2OH)2. It is mainly used for two purposes: as a raw material in the manufacture of polyester fibers and for antifreeze formulations. It is an odorless, colorless, flammable, viscous liquid.
Musk is a class of aromatic substances commonly used as base notes in perfumery. They include glandular secretions from animals such as the musk deer, numerous plants emitting similar fragrances, and artificial substances with similar odors. [ 1 ][ 2 ]Musk was a name originally given to a substance with a strong odor obtained from a gland of ...
Lanolin. Lanolin (from Latin lāna 'wool', and oleum 'oil'), also called wool fat, wool yolk, wool wax, sheep grease, sheep yolk, or wool grease, is a wax secreted by the sebaceous glands of wool -bearing animals. [1] Lanolin used by humans comes from domestic sheep breeds that are raised specifically for their wool.
Tonic water is a carbonated soft drink in which quinine is dissolved. Originally used as a prophylactic against malaria, modern tonic water typically has a significantly lower quinine content and is often more sweetened than the original medicinal form. It is consumed for its distinctive bitter flavor.
It feels greasy and light. In composition (according to Buchholz's analysis) it contains 44% silica, 26.5% alumina, about 20.5% water, 8% iron oxides and 0.5-1% calcium compounds .: 377–378 Naturally, the results of chemical analysis relate exclusively to the specific variety on which laboratory operations were carried out. In all other cases ...