22 citations
,
November 2007 in “Journal of Investigative Dermatology Symposium Proceedings” Hair growth and health are influenced by stress and hormones.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
18 citations
,
September 1990 in “Veterinary Dermatology” Lambs' skin showed similar but more severe responses to a second orf virus infection, involving immune cells and new skin formation.
10 citations
,
December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
5 citations
,
February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
4 citations
,
April 2018 in “Journal of Investigative Dermatology” Hydroxypinacolone retinoate is a potent anti-aging ingredient for skin that is more effective and less irritating than other forms of retinoids.
1 citations
,
April 2018 in “Journal of Investigative Dermatology” Fzd2 is important for skin and hair development through various signaling ways.
December 2025 in “Frontiers in Immunology” Restoring nerve-macrophage communication may help treat autoimmune diseases.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
October 2018 in “InTech eBooks” The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
April 2018 in “Journal of Investigative Dermatology” Both Th1 and Th2 immune responses are increased in alopecia areata, with Th2 response more strongly linked to how severe the disease is.
April 2018 in “Journal of Investigative Dermatology” Activating Nrf2 helps wounds heal faster by increasing hair follicle stem cells.
April 2018 in “Journal of Investigative Dermatology” Topical tofacitinib is effective in promoting hair growth for non-scarring alopecia.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
8 citations
,
May 2021 in “Bioengineering & translational medicine” Hair growth environment recreated with challenges; stem cells make successful skin organoids.
1540 citations
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October 2008 in “Fertility and Sterility” The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.
59 citations
,
March 2020 in “Journal of Biomedical Science” Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.
28 citations
,
February 1999 in “Archives of Dermatological Research” Finasteride potentially treats hair loss by reducing DHT production.
12 citations
,
October 2020 in “Scientific Reports” Necrostatin-1s can promote hair growth and may help treat hair loss.
9 citations
,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
9 citations
,
July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
8 citations
,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
2 citations
,
November 2017 in “PloS one” Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.
1 citations
,
January 2017 in “Evolutionary studies” Different human traits like skin color and hair type vary between populations due to genetic adaptations to the environment.
January 2018 in “Stem cell biology and regenerative medicine” ATP-dependent chromatin remodeling is crucial for skin development and stem cell function.
30 citations
,
July 2017 in “BioEssays” Activating NRF2 might help treat hair disorders by improving antioxidant defenses.
June 2026 in “Frontiers in Cell and Developmental Biology” Dermal papilla cells are key to fine wool growth in sheep.
38 citations
,
September 2017 in “Oncologist” Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.
330 citations
,
December 2009 in “Cell stem cell” SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.