54 citations
,
September 1999 in “PubMed” K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.
138 citations
,
November 1977 in “Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics”
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
January 2001 in “Zhongguo linchuang jiepouxue zazhi” Human hair keratin may help repair spinal cord injuries.
July 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair loss in certain mice is linked to changes in keratin-related genes.
January 2022 in “Journal of St. Marianna University” Substances from human hair cells can affect hair loss-related genes, potentially leading to new treatments for baldness.
19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
15 citations
,
May 2017 in “Journal of Cellular Biochemistry” The hairless protein is important for skin, hair, and may influence cancer development.
7 citations
,
September 2019 in “Journal of Investigative Dermatology” 50 citations
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February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
January 2006 in “Advances in developmental biology” The Hairless gene is crucial for healthy skin and hair growth.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
2 citations
,
May 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” The study found that specific proteins are markers of hair follicle development in human fetuses.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
166 citations
,
July 1999 in “American Journal Of Pathology” The hairless (hr) gene is essential for normal hair follicle function and its mutation leads to hair loss.
12 citations
,
September 1982 in “Journal of Investigative Dermatology”
36 citations
,
October 2000 in “British Journal of Dermatology” A different gene near the hairless gene on chromosome 8p21 causes a rare hair loss condition in a German family.
14 citations
,
July 1983 in “Acta Dermato Venereologica” A method was developed to grow millions of hair cells from a single hair for research and storage.
12 citations
,
June 2013 in “International Journal of Dermatology” Seborrheic keratosis shows varied cell differentiation, and keratin analysis helps diagnose skin tumors.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
19 citations
,
April 1999 in “British Journal of Dermatology” Keratin 2e shows a unique pattern in developing fetal skin, different from other keratins.
2 citations
,
September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
23 citations
,
June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
11 citations
,
August 2013 in “International Journal of Cosmetic Science” The study suggests that a new protease inhibitor can make hair harder to pull out, potentially reducing hair loss.
A recent report highlights an eczema-like psoriasiform skin reaction associated with the Brazilian keratin treatment (BKT), a popular hair-straightening procedure. Originating in Brazil in 2003, BKT has gained global popularity, particularly among women with curly or frizzy hair. The treatment involves applying a keratin-based product to the hair and sealing it with heat. Despite its widespread use, this report underscores potential adverse skin reactions, emphasizing the need for awareness and caution among users and practitioners.
6 citations
,
November 1984 in “Acta Dermato Venereologica” Hair follicles and sweat glands show different keratin staining patterns.