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Ingredients of cosmetic products are listed following International Nomenclature of Cosmetic Ingredients (INCI). These INCI names often differ greatly from systematic chemical nomenclature or from more common trivial names. The below tables are sorted as follows:
Keratin (/ ˈ k ɛr ə t ɪ n / [1] [2]) is one of a family of structural fibrous proteins also known as scleroproteins. It is the key structural material making up scales , hair , nails , feathers , horns , claws , hooves , and the outer layer of skin in vertebrates.
The technique has many variations and is known by several other names and brands, including Brazilian Blowout, Breezilian straightening, Brazilian Keratin Treatment, BKT, and Keratin Cure. [citation needed] It is called Escova Progressiva in Brazil and Alisado brasileiro in Portugal. The original formulation included formaldehyde H 2 CO or ...
Textile fibres or textile fibers (see spelling differences) can be created from many natural sources (animal hair or fur, cocoons as with silk worm cocoons), as well as semisynthetic methods that use naturally occurring polymers, and synthetic methods that use polymer-based materials, and even minerals such as metals to make foils and wires.
Castor oil and its derivatives are found in many cosmetics as it is "non-comedogenic" (does not exacerbate or contribute to acne). [3]Cerebrosides (cells from the nervous systems of cattle or swine) were once used in some high-end skin-care products to increase moisture retention and to create a smooth skin surface, [4] however the BSE controversy has put an end to this practice.
Fibrous proteins consist of many families including keratin, collagen, elastin, fibrin or spidroin. Collagen is the most abundant of these proteins which exists in vertebrate connective tissue including tendon , cartilage , and bone .
The first sequences of keratins revealed that keratins could be grouped into two categories based on their sequence homologies. [1] [2] These two groups of keratins were named as type I and type II keratins. [2]
Keratin is a structural protein located at the hard surfaces in many vertebrates. Keratin has two forms, α-keratin and β-keratin , that are found in different classes of chordates. The naming convention for these keratins follows that for protein structures: alpha keratin is helical and beta keratin is sheet-like.
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