February 2025 in “Biomolecules” Melatonin can help or hinder hair growth depending on the dose.
6 citations
,
October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
25 citations
,
March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
112 citations
,
February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
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.
300 citations
,
August 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
December 2025 in “Frontiers in Immunology” Restoring nerve-macrophage communication may help treat autoimmune diseases.
Hair growth is controlled by cell interactions and influenced by specific growth factors and hormones.
512 citations
,
February 2008 in “Science” Reactive oxygen species and calcium create a feedback loop that shapes root hair cells.
22 citations
,
November 2017 in “Scientific Reports” The pituitary gland functions normally even after losing most SOX2+ stem cells.
September 2004 in “Experimental Dermatology” Stress and certain chemicals affect hair growth by interacting with the immune and nervous systems.
155 citations
,
December 2002 in “Journal of Investigative Dermatology” Thyroid-related genes are active in skin cells and may affect autoimmune conditions.
53 citations
,
July 1981 in “Journal of Endocrinology” α-MSH and cyclic AMP boost melanin production, while cyclic GMP and melatonin reduce it.
October 2020 in “Clinical and Experimental Dermatology” Hair loss improved after removing pituitary tumor.
November 2019 in “Synapse” Brain-made chemicals can control nerve cell function differently in various parts of a mouse's brain, which may help us understand neurological conditions.
Neuropeptides affect hair growth and could be used to control it.
32 citations
,
September 1966 in “Journal of Investigative Dermatology” 28 citations
,
May 2014 in “PubMed” Higher stress levels may be linked to hair loss in rhesus macaques.
75 citations
,
September 2009 in “Dermato-endocrinology” The skin produces and processes hormones, affecting both local and overall body functions.
284 citations
,
May 2002 in “Proceedings of the National Academy of Sciences” CRH promotes fat production in skin cells, affecting conditions like acne.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Hormones significantly affect hair growth and loss, with potential for new treatments.
5 citations
,
April 2021 in “Journal of Mind and Medical Sciences” Fat, bone, and the brain are interconnected in regulating energy and health.
April 2022 in “PANACEA JOURNAL OF MEDICAL SCIENCES” People with both obvious and not-so-obvious underactive thyroid issues often have higher levels of the hormone prolactin.
November 2022 in “Journal of the Endocrine Society” Immunotherapy for cancer caused a patient to develop a condition affecting hormone production, requiring ongoing hormone replacement therapy.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
October 2025 in “Journal of the Endocrine Society” Hormonal imbalances can cause heart rhythm issues, so checking hormone levels is crucial.
211 citations
,
February 1994 in “Proceedings of the National Academy of Sciences” Too much parathyroid hormone-related protein in skin disrupts hair growth in mice.
December 2025 in “Asian Journal of Advanced Research and Reports” Hair growth pathways are a promising and simpler method for detecting chronic stress.
51 citations
,
July 2010 in “Trends in Endocrinology and Metabolism” Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.
15 citations
,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.