28 citations
,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
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.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
68 citations
,
April 2012 in “Journal of Investigative Dermatology” The conclusion is that Fgf18 and Tgf-ß signaling could be targeted for hair loss treatments.
56 citations
,
January 2008 in “Dermatology” Higher iron levels in the blood are not linked to increased hair loss in women.
45 citations
,
March 2003 in “Pediatrics” Baby's toe injury linked to mom's hair loss; check baby's toes and be careful with fruit gel snacks.
42 citations
,
July 2012 in “PLOS ONE” Estrogen can temporarily slow down hair growth but this can be reversed.
31 citations
,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.
25 citations
,
August 2010 in “Journal of Biological Chemistry” Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.
20 citations
,
January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
18 citations
,
December 2009 in “Canadian Journal of Animal Science” The BMP2 gene is more active in the early growth phase of Cashmere goat hair and may affect hair regeneration and textile production.
13 citations
,
July 2004 in “Skinmed” Common types of non-scarring hair loss have various causes and treatments, but more effective solutions are needed.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
8 citations
,
February 2014 in “Stem cells translational medicine” Modified stem cells that overexpress a specific protein can improve hair growth and reduce hair abnormalities in mice.
7 citations
,
June 2022 in “Czech Journal of Animal Science” Certain circular RNAs help cashmere goats grow more hair.
6 citations
,
February 2021 in “Frontiers in Cell and Developmental Biology” Eating too much or too little vitamin A can cause hair loss.
6 citations
,
April 2010 in “Journal of Dermatological Science” Laminin-511 may help promote hair growth, while laminin-332 does not affect hair loss.
5 citations
,
January 2013 in “Cells Tissues Organs” Activin B helps start and grow hair follicles in mice.
3 citations
,
October 2003 in “Annals of Oncology” A woman with low thyroid function did not lose her hair during chemotherapy, possibly because her hair follicles were less affected by the treatment.
2 citations
,
December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
2 citations
,
February 2023 in “Vaccines” Some people experienced hair loss after COVID-19 vaccination, but it's very rare and vaccines' benefits are greater than this risk.
2 citations
,
March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
1 citations
,
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocyte-associated antigens may play a key role in alopecia areata and could be targets for new treatments.
1 citations
,
January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
November 2025 in “SKIN The Journal of Cutaneous Medicine” "Dread shed" is common with minoxidil but less so with other hair loss treatments.
November 2022 in “Research Square (Research Square)” Seasonal changes affect hair growth genes in Angora goats, possibly influencing mohair quality.
50 citations
,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.