125 citations
,
August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
9 citations
,
January 2003 The evolution of mammal body hair remains a mystery.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
1 citations
,
August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
36 citations
,
July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
2 citations
,
December 2024 in “JAAD reviews.” Modifying grooming techniques and using treatments like chemical depilatories or laser hair removal can help manage Pseudofolliculitis barbae.
September 1973 in “Primates”
73 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
1 citations
,
January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
9 citations
,
August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
December 2025 in “British Journal of Dermatology”
66 citations
,
August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
14 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
15 citations
,
August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
81 citations
,
September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
17 citations
,
June 1990 in “PubMed” Hair varies in size and features depending on body region.
1 citations
,
January 2014 Crataegus pinnatifida extract promotes hair growth in mice.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
11 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” 7 citations
,
June 2012 in “Journal of dairy science” Bovine milk fats applied to mouse skin can promote hair growth similar to known hair growth treatments.
1 citations
,
January 2009 in “Elsevier eBooks” Combining proper shaving, topical treatments, and laser therapy effectively reduces Pseudofolliculitis Barbae.