24 citations,
April 2017 in “Oncology Reports” The hair keratin gene KRT81 is found in both normal and breast cancer cells and helps them invade surrounding tissues.
40 citations,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
4 citations,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
1 citations,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
45 citations,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
6 citations,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
January 2025 in “Advanced Materials Interfaces” Tannic acid can reduce hair loss by 56.2% by coating hair and releasing beneficial molecules.
9 citations,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
3 citations,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
February 2025 in “Frontiers in Veterinary Science” Certain nutrients like keratin, egg yolk, and fish collagen may help pets regrow hair.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
33 citations,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
July 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bumps with stem cells might contribute to permanent hair loss by getting disconnected due to scarring.
1 citations,
May 2022 in “International journal of trichology” Most patients were happy with the hair fiber filler and had no serious side effects.
July 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
7 citations,
August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
April 2023 in “Rossijskij žurnal kožnyh i veneričeskih boleznej” The document concludes that four related skin diseases, which often occur together, are caused by blocked hair follicles.
November 2022 in “The Indian journal of chest diseases & allied sciences” Isoniazid can rarely cause hair loss, which is reversible after stopping the drug.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
62 citations,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
October 2023 in “Applied sciences” Iris germanica rhizome-derived exosomes help protect skin cells from oxidative stress and aging.
42 citations,
March 2010 in “Endocrinology” Mice with human gene experienced hair loss when treated with DHT.
106 citations,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
92 citations,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Human hair follicle stem cells can be isolated using specific markers for potential therapeutic use.
The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.