TLDR Hair is complex, varies in type, and plays a big role in attractiveness and culture.
The document discussed the complexity of the hair follicle and hair fiber, highlighting that human hair keratins consist of at least 19 acidic and basic proteins expressed in various compartments of the hair follicle. It also mentioned the development of modern shampoos and conditioners designed for different hair types, such as normal, dry, or damaged hair. Additionally, the hair follicle was noted to contain at least 17 different keratins, along with lipids, water, melanin, and trace elements, producing hair fibers that can be straight, wavy, or curly. Hair was recognized as a factor in attractiveness and often styled to reflect cultural affiliations.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
11 citations
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November 2003 in “PubMed” Treatments with certain oils and resins make hair shinier, while zinc oxide and synthetic sebum make it duller.
272 citations
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September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
236 citations
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July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
50 citations
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July 2008 in “British Journal of Dermatology” 138 citations
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March 2007 in “Experimental cell research” Only a few hair-specific keratins are linked to inherited hair disorders.
276 citations
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January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
199 citations
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January 2004 in “The International Journal of Developmental Biology” Hair follicle growth and development are controlled by specific genes and molecular signals.
29 citations
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April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
