June 2025 in “Electronic Journal of General Medicine” Melatonin may help regrow hair, but more consistent research is needed.
97 citations
,
March 2009 in “Dermato-endocrinology” Hormones significantly affect hair and oil gland function in the skin, and more research is needed on skin-related hormone disorders.
48 citations
,
September 1993 in “The journal of experimental zoology/Journal of experimental zoology” Melatonin treatment started hair growth in goats and affected their hormone levels.
41 citations
,
September 1991 in “Medical hypotheses” Prolactin may be important for skin growth and immune function.
July 2023 in “Biomolecules” The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
26 citations
,
December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
112 citations
,
February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
9 citations
,
August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.
3 citations
,
January 1988 in “PubMed” High prolactin levels can cause skin and hair symptoms similar to those caused by hormone imbalances.
65 citations
,
August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
Neuropeptides affect hair growth and could be used to control it.
6 citations
,
October 2011 in “ISRN Ophthalmology” Higher testosterone and dehydroepiandrosterone sulphate levels may help diagnose meibomian gland dysfunction.
1 citations
,
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
May 2020 in “Research Square (Research Square)” Stress hormone CRF causes hair loss and inhibits hair growth in human cells.
March 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” HairTime can predict and adjust human sleep patterns using a hair sample.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
7 citations
,
January 1971 in “Archives of Dermatological Research”
25 citations
,
March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
26 citations
,
October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
May 2006 in “Frontiers in Neuroendocrinology” Progesterone and its metabolites affect myelin protein expression differently in male and female rat Schwann cells.
2 citations
,
October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
January 2020 in “Research Square (Research Square)” Stress hormone CRF causes hair loss and stops hair cell growth.
33 citations
,
January 2014 in “Pediatric Research”
14 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
23 citations
,
April 1996 in “PubMed” Vitamin D3 and parathyroid hormone-related peptide may have important uses in skin treatments.