222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
211 citations,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
185 citations,
August 2005 in “Autoimmunity Reviews” Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.
184 citations,
February 2015 in “EBioMedicine” A patient with Alopecia Areata had complete hair regrowth after using the drug baricitinib.
138 citations,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
130 citations,
September 2018 in “Cell Reports” Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
113 citations,
September 2005 in “Journal of Investigative Dermatology” Applying a special compound can promote hair growth without harmful side effects.
86 citations,
December 2001 in “Experimental dermatology” Mutant mice help researchers understand hair growth and related genetic factors.
75 citations,
June 2019 in “International Journal of Molecular Sciences” Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.