20 citations,
January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
16 citations,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
15 citations,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
12 citations,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
11 citations,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
9 citations,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
9 citations,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
8 citations,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
8 citations,
May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
4 citations,
January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
3 citations,
April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
3 citations,
July 2012 in “Sokoto Journal of Veterinary Sciences” As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.
3 citations,
October 2006 in “Journal of dermatology” X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
2 citations,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
2 citations,
May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
research Hair
1 citations,
April 2023 in “Elsevier eBooks” Hair analysis can detect drug use but is costly and interpretation is complex.
October 2024 in “BMC Genomics” Understanding hair follicle development can help improve cashmere quality.
February 2023 in “Mağallaẗ Tikrīt li-l-ʻulūm al-ṣirfaẗ/Tikrit journal of pure science” Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.
Hair fibers degrade and change color in very basic water.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
68 citations,
May 1991 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Both cyproterone acetate and spironolactone effectively reduce hair growth in women with hirsutism.
56 citations,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.
39 citations,
February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
20 citations,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
42 citations,
June 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” PAI-2 helps in the maturation and protection of hair and nail cells.
5 citations,
September 2006 in “Natural medicines/Journal of natural medicines” Microscopic hair features can identify different Cauda Cervi species.