116 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
January 2018 in “Springer eBooks” Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
April 2023 in “Journal of Investigative Dermatology” The study found that aging hair follicle stem cells change behavior, leading to hair loss, but drugs targeting these cells may help restore hair growth.
47 citations
,
September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
63 citations
,
October 2011 in “Archives of Dermatology” Isolated long hairs at the original hairline can help diagnose Frontal Fibrosing Alopecia.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
98 citations
,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
March 2013 in “CRC Press eBooks” Follicular unit transplantation, a hair restoration technique using small hair grafts, was pioneered by Bob Limmer in the late 1980s and is still widely used today with minor improvements.
8 citations
,
September 2002 in “Genes to Cells” Killing specific cells in hair follicles can lead to hair growth problems in mice.
March 2026 in “Anais Brasileiros de Dermatologia” Lichen planopilaris and frontal fibrosing alopecia are likely distinct diseases with different tissue involvement.
January 2024 in “Updates in clinical dermatology” Activin B helps start and grow hair follicles in mice.
2 citations
,
March 2011 in “Hair transplant forum international” Female pattern hair loss involves hair follicles shrinking, influenced by hormones like melatonin and prolactin.
47 citations
,
December 2003 in “Journal of Investigative Dermatology” DS cells in hair follicles can help form and restore hair, especially in hair loss conditions.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
April 2017 in “Journal of Investigative Dermatology” Stem cells can create hair follicles, potentially treating permanent hair loss, and healthy skin and hair depend on mitochondrial function and special fats.
82 citations
,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers developed a method to grow human hair follicles using 3D-printed skin models and modified cells.
January 2022 in “Clinical Cases in Dermatology” A 47-year-old man was diagnosed with a specific type of hair loss and advised to use certain medications and avoid hair transplants.
6 citations
,
August 1975 in “Journal of Endocrinology” Cortisol and corticosterone thin mouse skin and regress hair follicles, while testosterone promotes skin and hair development.
January 2026 in “Frontiers in Medicine” FFA and FAPD might be related or stages of the same disease.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
28 citations
,
November 2008 in “Facial Plastic Surgery” Follicular Unit Transplantation (FUT) can give great results and patient satisfaction when done carefully and by a skilled surgeon.
38 citations
,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
132 citations
,
September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
9 citations
,
February 2002 in “International Journal of Dermatology” The patient's symptoms improved with treatment but recurred when the steroid dose was reduced, requiring ongoing therapy.
24 citations
,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
1 citations
,
December 2012 in “Journal of Dermatological Science” FGF18 controls hair growth rest phase.
43 citations
,
January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
107 citations
,
June 1997 in “PubMed” EGFR is essential for normal hair development and follicle differentiation.