August 2004 in “Veterinary Dermatology” Adult-onset hair loss in Chesapeake Bay retrievers may be linked to abnormal adrenal hormone production.
161 citations
,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
November 2025 in “BMC Genomics” Melatonin helps control hair growth in cashmere goats, which could improve cashmere production.
112 citations
,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
13 citations
,
February 2015 in “Actas Dermo-Sifiliográficas” The document concludes that recognizing specific histological features of different nonscarring alopecias is crucial for accurate diagnosis and understanding hair loss progression.
Fgf20 helps form hair follicle structures by stopping cell division and increasing cell movement.
28 citations
,
May 2000 in “Proceedings of the National Academy of Sciences” The Walleye dermal sarcoma virus cyclin causes excessive skin cell growth in mice.
2 citations
,
August 2020 in “Dermatologic Therapy” Low ferritin and zinc levels, as well as anemia, are linked to more severe hair loss in Egyptian children with chronic hair shedding.
4 citations
,
June 2015 in “Connective tissue research” The research found changes in gene expression related to cell death in mouse skin that help understand hair follicle development and skin health.
12 citations
,
August 2002 in “Archives of Dermatology” 112 citations
,
October 2008 in “Wound Repair and Regeneration” Sonic hedgehog signaling is crucial for normal wound healing.
25 citations
,
May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
4 citations
,
July 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” BLMP-1 is important for regular molting and gene expression cycles in worms.
August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
7 citations
,
February 1962 in “Experimental Biology and Medicine” Male and female mice have different lipid compositions in their skin during hair growth cycles.
35 citations
,
January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.
April 2016 in “Journal of The American Academy of Dermatology” A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.
28 citations
,
June 2010 in “Pediatric dermatology” Short anagen syndrome causes short hair that may grow longer after puberty.
July 2022 in “Journal of Investigative Dermatology” Scalp clarifying shampoo can help reduce hair loss and improve hair volume.
May 2015 in “Journal of The American Academy of Dermatology” Some people may temporarily lose more hair in certain areas after a hair transplant.
July 2018 in “Elsevier eBooks” Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.
2 citations
,
January 2021 in “Journal of The American Academy of Dermatology” A simple scalp scraping can effectively distinguish fibrosing alopecia from androgenetic alopecia with seborrheic dermatitis.
November 2022 in “Journal of Investigative Dermatology” The research found specific genes that are more active in balding cells, which could be causing hair loss.
4 citations
,
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” G2 stem cells control calcium signaling for skin regeneration.
November 2025 in “FEBS Open Bio” JAK/STAT1 pathway causes hair loss during chemotherapy by reducing Shh in hair follicles.
1 citations
,
January 2025 in “Discrete and Continuous Dynamical Systems - B” Sparse hairless patches can develop and stabilize in alopecia areata under certain conditions.
February 2026 in “International Journal of Molecular Sciences” Removing Lrig1-positive cells in mice leads to temporary loss of sebaceous glands.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
1 citations
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January 2022 in “Skin appendage disorders” Hair shedding after childbirth can reveal a pre-existing condition of hair loss due to tight hairstyles.