8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
19 citations
,
May 2016 in “Clinical, cosmetic and investigational dermatology” FGF-2&D/P nanoparticles can help treat hair loss.
December 2025 in “Frontiers in Medicine” Biofibre ® 4.0 hair implants are safe and satisfy most patients with hair loss.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
9 citations
,
July 2020 in “Journal of Animal Physiology and Animal Nutrition” Melatonin given to pregnant rabbits improved their babies' fur quality.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
68 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
46 citations
,
January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
45 citations
,
March 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” A systematic approach is crucial for managing hair loss in women.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
17 citations
,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
14 citations
,
September 1954 in “Textile Research Journal” Hair absorbs different substances from solutions based on pH levels.
February 2025 in “Plastic and Aesthetic Research” Minoxidil and finasteride effectively promote hair regrowth within 3 months.
January 2018 in “Journal of cosmetology & trichology” The Automatic Biofibre® Hair Implant is a fast and effective hair restoration method that provides immediate cosmetic benefits and good results in over 90% of cases, but requires proper care to avoid complications.
10 citations
,
July 1997 in “Dermatologic Clinics” Laser hair transplantation can be effective but should be limited to small areas and requires more training to ensure safety and effectiveness.
January 2008 in “Journal of The American Academy of Dermatology” Hair loss affects 20% of people, more in men and those over 35, and is often associated with a sensitive scalp.
Hair restoration surgery has improved to transplant hair in natural groupings, but it's labor-intensive and can't fully restore normal hair density.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
19 citations
,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
35 citations
,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
January 2026 in “Animal Advances” Genes linked to coat color and fiber length in Chinese goats were identified.
NaOH treatment improves hair strength and suitability for textiles.
8 citations
,
May 2004 in “Textile Research Journal” Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.