July 2024 in “International journal of agriculture and food sciences research.” The new fish peptide conditioner significantly improves and repairs damaged hair better than a commercial wheat protein conditioner.
19 citations
,
December 2015 in “Journal of Investigative Dermatology” The protein p53 directly reduces the production of Keratin 17, a skin and hair protein, in rats with radiation dermatitis.
32 citations
,
October 1985 in “Annals of the New York Academy of Sciences” Keratin genes help explain how hair and feathers develop differently in mammals and birds.
5 citations
,
October 1988 in “Clinics in Dermatology” A method was developed to grow hair follicles in a lab for research on hair growth and health.
36 citations
,
September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
73 citations
,
May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
16 citations
,
January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
170 citations
,
January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
13 citations
,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
11 citations
,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
5 citations
,
January 2019 in “Methods in molecular biology” Multiphoton microscopy can effectively image live cells in cornea, skin, and hair follicles over time.
4 citations
,
April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
2 citations
,
January 1995 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Ethyl Carbitol is the best at preventing split ends in permed hair.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
3 citations
,
January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
10 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Minoxidil boosts hair growth in genetically modified mice.
17 citations
,
December 2019 in “Stem Cell Research & Therapy” Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.
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
,
November 2017 in “General and comparative endocrinology” BMP2 and BMPR-IA may stop hair growth while Noggin may encourage it in yak skin.
13 citations
,
January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
August 2025 in “Biomaterials” A new therapy using secretions from fetal cartilage cells shows promise for safe and effective hair regrowth.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
6 citations
,
January 2004 in “DNA Research” A mutation in the Sgkl gene causes defective hair growth in mice.