16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
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.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research”
September 2009 in “Journal of the Dermatology Nurses’ Association” Hair loss significantly affects quality of life, wet combing is better than visual inspection for finding head lice, many with oral lichen planus have allergies, and wet wraps with steroids quickly improve itchy skin conditions.
March 2020 in “Clinical research in dermatology” Two unusual cases showed that Lichen Planopilaris can look like other skin conditions and need early treatment to protect hair.
January 2018 in “Springer eBooks” Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
1 citations
,
July 2018 in “JAMA dermatology” Poliosis causes white hair patches due to lack of melanin.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
127 citations
,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
41 citations
,
September 2003 in “Journal of Investigative Dermatology” Overexpression of COX-2 causes early hair loss in mice, but can be prevented with a COX-2 inhibitor.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
34 citations
,
December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
91 citations
,
December 2006 in “Proceedings of the National Academy of Sciences” Hair patterns in mice are controlled by both a global system dependent on Fz6 and a local self-organizing system.
April 2016 in “British Journal of Dermatology” Eyelashes are important for looks and eye protection, and more people are treating sparse eyelashes; more research is needed to understand eyelash biology and improve treatments.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Lichen planopilaris in men often affects the scalp, eyebrows, arms, legs, and beard, with many having family members with hair loss.
4 citations
,
July 2024 in “Animals” A new depilation method using cold wax reduces injury and improves hair growth studies in mice.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
17 citations
,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
4 citations
,
March 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” Clove oil in emu oil helps condition hair and promote hair growth.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
15 citations
,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.