Activin A promotes ear hair cell development, while follistatin delays it.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
September 1993 in “PubMed” The document concludes that antiandrogenic drugs like cyproterone acetate and spironolactone are effective but not permanent treatments for skin-related androgenization in women.
19 citations,
May 2020 in “Journal of The American Academy of Dermatology” Low-dose oral minoxidil improves hair growth in male hair loss.
10 citations,
June 2019 in “Case reports in dermatology” LALPS causes non-scarring hair loss along the Blaschko line, with unique trichoscopic findings.
43 citations,
February 2013 in “Developmental dynamics” Foxi3 expression in developing teeth and hair is controlled by the ectodysplasin pathway.
39 citations,
December 2001 in “JNCI: Journal of the National Cancer Institute” Using a gene therapy with the Sonic Hedgehog gene helps mice regrow hair faster after losing it from chemotherapy.
32 citations,
June 2013 in “Journal of Investigative Dermatology” Mice without certain skin proteins had abnormal skin and hair development.
17 citations,
January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
15 citations,
June 1964 in “Experimental Biology and Medicine” Methotrexate can temporarily suppress certain immune responses without killing immune cells, potentially helping treat autoimmune diseases.
2 citations,
March 2019 in “Veterinary dermatology” Thymoma in cats can cause hair loss without inflammation.
18 citations,
March 2016 in “Cosmetics” Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.
13 citations,
April 2002 in “International Journal of Toxicology” The safety of placental and umbilical extracts in cosmetics is uncertain, requiring more research.
1 citations,
January 2014 in “PubMed” Hair loss in a child was an early sign of Crohn's disease.
January 2018 in “International journal for pharmaceutical research scholars” Meniran extract hair tonic may stimulate hair growth in rats, with the version containing 1% menthol being more effective.