Keratin is a naturally occurring protein that serves as a fundamental building block for strong and healthy hair, skin, and nails. Its primary function is providing structural support and protection.
Key Uses of Keratin:
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Hair, Skin, and Nail Health: Many industries utilize keratin, or supplements promoting its production, to improve the health and appearance of hair, skin, and nails. [Source: Oct 6, 2023] This is achieved through various products like shampoos, conditioners, and serums. For instance, "Phyto Keratin" shampoo is mentioned as being used on Royal Caribbean cruise ships. [Source: Aug 15, 2015] Keratin treatments are also popular in salons to reduce frizz and improve hair manageability. [Source: Nov 20, 2023]
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Construction Materials: Interestingly, keratin extracted from human hair finds use in construction, such as in the creation of plasters for house walls. [Source: Gupta 2014, referenced in PMC8052392]. This showcases the versatile nature of this protein.
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Cosmetics: Keratin derived from animal sources (feathers, horns, wool) is a common ingredient in hair cosmetics. [Source: Jan 24, 2018]
How Keratin Works:
Keratin monomers assemble into strong fibers that provide crucial protection to epithelial cells, making it resistant to damage and stress. [Source: Wikipedia] Its insolubility in water and organic solvents contributes to its protective capabilities. [Source: Wikipedia]
Keratin and Hair Treatments:
It's important to note that the durability of keratin treatments applied to hair often depends on factors such as the intensity of heat styling (like flat ironing) involved in the process. [Source: Sep 23, 2019]
