January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
2 citations
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November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
1 citations
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March 2006 in “The FASEB journal” Keratin-based scaffolds are safe and effective for tissue engineering.
185 citations
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December 2010 in “Archives of Biochemistry and Biophysics” Keratin gene mutations cause various skin and hair disorders, but new research offers hope for future treatments.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet2 and Tet3 enzymes are important for controlling hair growth and shape by affecting gene activity and DNA structure in hair follicles.
12 citations
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June 2012 in “Wound Repair and Regeneration” Regulating keratinocyte growth in engineered skin can improve wound healing.
14 citations
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June 2017 in “Immunity” Special immune cells called Treg cells are important for maintaining and regenerating hair by activating a specific growth signal in hair stem cells.
7 citations
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January 1990 88 citations
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January 1981 in “British Journal of Dermatology” A new method helps grow human hair cells using a cow eye lens.
November 2025 in “Journal of Investigative Dermatology” Skin-associated cartilage cells can influence hair growth by altering specific signaling pathways.
28 citations
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January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
99 citations
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January 2014 in “Nature communications” Scientists created stem cells that can grow hair and skin.
March 2009 in “Encyclopedia of Life Sciences” Mutations in keratin genes cause skin disorders, but new treatments show promise.
30 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
95 citations
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September 2012 in “Oman Medical Journal” Mutations in keratin genes can cause skin and mucosa disorders.
1 citations
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November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
26 citations
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March 1995 in “Differentiation” A rabbit gene important for hair development was identified and detailed.
2 citations
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July 2018 in “Elsevier eBooks” Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.
20 citations
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September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
38 citations
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April 2005 in “Journal of Investigative Dermatology” Human hair follicle cells can become fat and bone cells, useful for therapy.
5 citations
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February 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” OCT can non-invasively diagnose follicular keratosis and other hair follicle disorders.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
April 2017 in “Journal of Investigative Dermatology” Blood cells turned into stem cells can become skin cells similar to normal ones, potentially helping in skin therapies.
5 citations
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May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
April 2016 in “Journal of Investigative Dermatology” Scientists have found a way to grow hair follicles from human cells in a lab, which could help treat hair loss and skin damage.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.