January 2024 in “International Journal of Trichology” Matted hair should not be judged as a sign of mental instability; proper diagnosis and gentle care are key.
2 citations
,
November 2018 in “Veterinary Dermatology” Poodles' hair changes aren't always linked to calcium, and special staining is needed to detect true calcium deposits.
March 2023 in “International journal of integrated medical research” Keratosis pilaris is a common skin condition where hair follicles get clogged with keratin, mostly on the arms and thighs.
103 citations
,
December 1986 in “Journal of Investigative Dermatology” 118 citations
,
January 1992 in “Experientia”
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.
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.
May 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” PPARgamma is crucial for healthy hair follicles, and its loss causes scarring alopecia.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
May 2026 in “Journal of Proteomics” 7 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology”
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
210 citations
,
February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
170 citations
,
January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
4 citations
,
January 2007 in “Australian Veterinary Journal” A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.
1 citations
,
September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.
33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
June 2026 in “Frontiers in Cell and Developmental Biology” Dermal papilla cells are key to fine wool growth in sheep.
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
2 citations
,
January 2018 in “Indian dermatology online journal” A homeopathic antidandruff shampoo caused severe hair matting in a girl.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
59 citations
,
August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
62 citations
,
December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
2 citations
,
December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
January 2018 in “INTAS POLIVET” The dog recovered successfully after treatment with multiple medications.
9 citations
,
September 2022 in “Pharmaceutics” Porcine placenta extract may improve hair growth and skin health.