December 2012 in “Journal of undergraduate research in Alberta” Elongating cilia boosts SKP stem cell renewal, especially with PDGF.
13 citations
,
October 2013 in “The Journal of Dermatology” Cepharanthine may help hair growth by increasing IGF-I in scalp cells.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
1 citations
,
February 2017 in “Clinical Dermatology Open Access Journal” A rare benign tumor was found in a man's scrotum, highlighting the need for accurate diagnosis.
38 citations
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August 1973 in “Journal of Investigative Dermatology”
7 citations
,
January 2022 in “Molecules” Tectoridin helps human hair cells grow and makes mouse hair longer, suggesting it could treat hair loss.
14 citations
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September 1983 in “Acta Dermato Venereologica” Citral increases sebaceous gland activity in male rats.
21 citations
,
December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
22 citations
,
September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
7 citations
,
November 1997 in “Reproduction Fertility and Development” Epidermal growth factor disrupts hair and gland formation in bandicoots.
January 2022 in “Revista Saúde em Foco” Microneedling with growth factors significantly promotes eyebrow hair growth.
57 citations
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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.
66 citations
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August 1990 in “Journal of Investigative Dermatology” Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
January 2020 in “Research Portal Denmark” A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.
1 citations
,
October 2022 in “Annals of Translational Medicine” Cucurbitacin helps mice grow hair by blocking a protein that stops hair growth.
January 2023 in “The Annals of african surgery” Hormone treatment before hypospadias surgery can increase penis size and reduce surgery complications.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
February 2021 in “Dermatologic Therapy” Injections improve hair growth, density, and thickness in women safely.
173 citations
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May 2001 in “Human reproduction update” Oestrogens are key for bone growth during puberty in both boys and girls.
4 citations
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October 2004 in “Humana Press eBooks” Epidermal growth factor stops hair follicle formation in developing mouse skin.
63 citations
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April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
25 citations
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July 2004 in “Experimental Dermatology” Illicium anisatum extract may boost hair growth.
4 citations
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January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
1 citations
,
January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
4 citations
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July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.
9 citations
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May 2013 in “European Journal of Dermatology” Dermoscopy can non-invasively detect eruptive vellus hair cysts on the labia majora.
26 citations
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March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.