26 citations
,
June 2003 in “PubMed” Alpha-difluoromethylornithine prevents cancer in mice but causes hair loss.
28 citations
,
January 2016 in “Vitamins and hormones” Thymosin β4 helps improve skin healing and reduce scarring.
21 citations
,
January 2006 in “Hormone Research in Paediatrics” A mutation in the VDR gene affects hair cycling without needing ligand binding.
January 2014 in “Italian journal of anatomy and embryology” Platelet Rich Plasma can help human hair grow in a lab setting.
January 2008 in “Annals of Nutrition and Metabolism” Parthenolide promotes hair growth in mice and may influence pathways related to male pattern baldness.
32 citations
,
March 1948 in “The journal of investigative dermatology/Journal of investigative dermatology” 
13 citations
,
June 2012 in “Journal of Dermatological Case Reports” An 8-year-old boy with hair-pulling disorder had a bald patch that was confirmed not to be a fungal infection and was treated with therapy.
9 citations
,
June 2020 in “BMC Molecular and Cell Biology” Stress hormone CRF can cause hair loss by affecting hair growth cells and hormones.
October 2025 in “Diagnostics” Temporal triangular alopecia is a harmless, non-progressive hair loss condition.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.