10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
June 2025 in “Electronic Journal of General Medicine” Melatonin may help regrow hair, but more consistent research is needed.
160 citations
,
April 2014 in “Drug discovery today” Melatonin helps regulate sleep and may aid in treating various health issues.
85 citations
,
January 2014 in “Hormone Research in Paediatrics” Hair cortisol levels in children increase with age but are not affected by gender, puberty, or hair care.
32 citations
,
September 1996 in “Archives of Dermatological Research” 30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
26 citations
,
February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
23 citations
,
January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
18 citations
,
March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
11 citations
,
June 2021 in “Frontiers in Cell and Developmental Biology” Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.
6 citations
,
September 1996 in “Archives of Dermatological Research” 4 citations
,
May 2022 in “PeerJ” Melatonin may help hair growth by affecting cell growth and hair-related signaling pathways.
3 citations
,
December 2017 in “Journal of Psychiatric Research” Hair samples can't reliably detect hypercortisolism in anorexia nervosa patients.
2 citations
,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
1 citations
,
October 2024 in “Canine Medicine and Genetics” The MLPH gene is not linked to seasonal hair loss in Rhodesian Ridgeback dogs.
1 citations
,
April 2024 in “Skin research and technology” Topical rosuvastatin and melatonin creams significantly reduce psoriasis severity and are safe.
1 citations
,
January 2024 in “International journal of molecular sciences” MicroRNAs could be key biomarkers and therapeutic targets for PCOS.
1 citations
,
January 2016 in “Journal of Headache & Pain Management” Discontinuing topical minoxidil can resolve headaches and dizziness.
November 2025 in “DOAJ (DOAJ: Directory of Open Access Journals)” Insomnia may increase alopecia areata risk, but more research is needed.
March 2025 in “International Journal of Molecular Sciences” Melatonin promotes hair growth and quality by enhancing hair follicle development and reducing stress.
February 2023 in “Journal of Drugs in Dermatology” Melatonin may help improve hair growth in people with certain types of hair loss.
April 2020 in “Journal of the Endocrine Society” Hair cortisol measurement can help diagnose and monitor Cushing’s disease.
13 citations
,
November 2021 in “Frontiers in Immunology” Melatonin could be an effective treatment for Alzheimer's Disease and rosacea.
176 citations
,
January 2013 in “Proceedings of the National Academy of Sciences” BMP and Wnt signaling balance controls hair follicle stem cell activity and hair growth.
81 citations
,
May 2019 in “Frontiers in Endocrinology” Melatonin may improve some hormonal and inflammatory issues in women with PCOS.
November 2025 in “Psychoneuroendocrinology” Hair proteomics could be a useful, non-invasive tool for identifying stress-related disorders.
September 2024 in “Journal of Investigative Dermatology” VIP reduces hair pigmentation by decreasing melanin production.
September 2021 in “Physiology News” The Future Physiology 2021 conference was successful in providing networking and learning opportunities for early career physiologists online.
January 2021 in “Figshare” Melatonin helps Cashmere goat hair follicles grow by affecting stem cell signals and the surrounding microenvironment.
January 2018 in “Figshare” Melatonin helps Cashmere goats grow more hair by affecting genes and cell signals important for hair and blood vessel development.