January 2024 in “Toxicologic Pathology” The skin protects the body, helps heal wounds, stores energy, and supports health.
237 citations
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September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
51 citations
,
July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.
September 2024 in “Brazilian Journal of Hair Health” Nutrients can help improve hair growth and thickness caused by pollution.
A woman's Cushing's syndrome caused by adrenal cancer improved after surgery.
40 citations
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April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
2 citations
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February 2025 in “Journal of Investigative Dermatology”
127 citations
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December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” The enzyme system in hair follicles is similar to the liver's and is inhibited by certain substances.
January 2022 in “Figshare” Melatonin affects different genes and pathways important for goat hair growth.
28 citations
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November 2012 in “Experimental dermatology” A protein complex called mTORC1 likely affects when hair growth starts in mice.
Melatonin may improve hair growth by affecting certain cell signaling pathways.
64 citations
,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
January 2002 in “Europe PMC (PubMed Central)” The model successfully simulates human hair growth and patterns, including hair loss types.
May 2022 in “Голова и шея.” Inflammation from nasal surgery temporarily increases sympathetic nervous system activity, but balance is restored within a week.
Melatonin may help hair growth by affecting certain cell signals, and the paper improved after revisions.
May 2012 in “International Journal of Dermatology and Venereology” Hair growth and development are controlled by complex signaling pathways.
7 citations
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January 1971 in “Archives of Dermatological Research”
May 2020 in “Research Square (Research Square)” Stress hormone CRF causes hair loss and inhibits hair growth in human cells.
153 citations
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October 2007 in “Cell Stem Cell” New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.
6 citations
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October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
14 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
7 citations
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January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Skin cells control immune cell placement, helping the skin respond better to challenges.
75 citations
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August 2018 in “Biochemical pharmacology” Targeting the skin's endocannabinoid system could help treat skin disorders.
21 citations
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December 2019 in “PloS one” The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.
July 2024 in “Journal of Investigative Dermatology” Topical melatonin may reduce skin aging by inhibiting certain cellular pathways.
22 citations
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December 1991 in “PubMed”
2 citations
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June 2012 in “Journal of Dermatological Science” The gene HDC is important for the development of hair follicles in newborn mice.