63 citations
,
March 2016 in “International Journal of Molecular Sciences” Children with atopic dermatitis often have sleep problems due to itching and may benefit from melatonin, which helps with sleep and skin symptoms.
March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
74 citations
,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
52 citations
,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
38 citations
,
April 2016 in “Experimental Dermatology” The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
10 citations
,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
9 citations
,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
62 citations
,
August 2014 in “BMC Endocrine Disorders” New findings explain how genetic changes, body clocks, and certain molecules affect tissue response to stress hormones.
12 citations
,
July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
July 1996 in “Annals of Internal Medicine” Taking high doses of fluconazole for a long time can cause reversible hair loss.
21 citations
,
November 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Telogen is an active phase with important biological processes, not a resting phase.
28 citations
,
June 2015 in “Journal of circadian rhythms” An individual's morning or evening preference can predict changes in their body clock gene expression.
103 citations
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December 2021 in “Journal of biological rhythms” Shift work disrupts the body's natural clock, leading to health problems.
18 citations
,
March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
221 citations
,
July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” BMAL1 controls skin cell growth and UV damage risk, peaking at night.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
122 citations
,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
47 citations
,
May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
45 citations
,
January 2012 in “Experimental Dermatology” Human hair follicles switch between active and resting phases unpredictably.
38 citations
,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
36 citations
,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
11 citations
,
April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
1 citations
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April 2001 in “Biological Rhythm Research” Deuterium oxide extends the hair cycle duration in mice without changing hair structure.
February 2025 in “Biomolecules” Melatonin can help or hinder hair growth depending on the dose.