Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
18 citations
,
January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
3 citations
,
January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
14 citations
,
January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
May 2026 in “Jurnal Pendidikan Kimia Fisika dan Biologi” Rebonding damages hair cuticles, causing erosion and cracks.
2 citations
,
January 2020 in “Skin appendage disorders” Long hair can cause hair loss due to constant pulling.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
57 citations
,
August 1999 in “Archives of dermatology” Hair follicles grow hair and release it through the skin.
5 citations
,
November 2012 in “Actas Dermo-Sifiliográficas” Comma hairs are a new sign for identifying scalp fungal infections.
56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
10 citations
,
January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
19 citations
,
November 2014 in “Journal of Comparative Physiology A” Spider joint hair sensilla are adapted to sense movement during walking.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
12 citations
,
March 2004 in “Journal of Investigative Dermatology” December 2025 in “British Journal of Dermatology” 21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
8 citations
,
October 2024 in “Developmental Cell” 2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
41 citations
,
January 2018 in “Advances in experimental medicine and biology” 42 citations
,
September 2003 in “Journal of Investigative Dermatology” A missing mK6irs1 gene causes hair loss in mice.
26 citations
,
October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.