6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
3 citations,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
6 citations,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
6 citations,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
75 citations,
September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
19 citations,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
1 citations,
September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
39 citations,
March 2022 in “Nature Protocols” Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.
33 citations,
September 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Human hair follicle dermal cells can effectively replace other cells in engineered skin.
January 2024 in “Biomaterials Research” 3D-cultured cells in HGC-coated environments improve hair growth and skin integration.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
64 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Human stem cells can help form hair follicles in mice.
2 citations,
November 2003 in “Humana Press eBooks” Hair follicle cells can help heal wounds and study skin diseases.
36 citations,
May 2016 in “Biomaterials” Endo-HSE helps grow hair-like structures from human skin cells in the lab.
January 2024 in “Journal of Material Cycles and Waste Management” Adding human hair to cement can make it tougher and better insulated but also more porous.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
28 citations,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
24 citations,
November 2019 in “Experimental Dermatology” PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.
7 citations,
November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
3 citations,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
March 2024 in “International journal of molecular sciences” Meibomian glands are highly specialized and differ significantly from other sebaceous glands in structure and function.
February 2024 in “International Journal of Molecular Sciences” Hair loss in Androgenetic Alopecia is caused by genetics, aging, and lifestyle, leading to hair follicle shrinkage and related health risks.
May 2023 in “Frontiers in Cell and Developmental Biology” The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.
February 2023 in “European biophysics journal” 29 citations,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.