115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
113 citations,
November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
88 citations,
February 2011 in “Journal of Dermatological Science” Minoxidil helps hair growth by activating the β-catenin pathway.
87 citations,
April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
82 citations,
September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
70 citations,
January 2015 in “Journal of Clinical and Diagnostic Research” Hair loss from Telogen Effluvium usually gets better within 6 months after addressing the cause.
69 citations,
April 2010 in “Dermatologic Surgery” Bimatoprost is a safe and effective treatment for making eyelashes longer, thicker, and darker.