120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
28 citations,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
55 citations,
March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
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.
2 citations,
August 2022 in “Animals” Essential oils may improve dogs' health and melatonin can help with their sleep and anxiety, but both should be used carefully.
47 citations,
May 2012 in “Wiley Interdisciplinary Reviews-Developmental Biology” The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.
115 citations,
November 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Children with atopic dermatitis often have sleep problems, affecting their growth and behavior.
127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
31 citations,
September 2012 in “Human Brain Mapping” People with Seasonal Affective Disorder have different brain activity in certain areas when resting.
11 citations,
September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
29 citations,
January 2014 in “Frontiers in physiology” Understanding and tracking our body's natural daily rhythms could help improve heart health.
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
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.
38 citations,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
506 citations,
January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.
185 citations,
February 2018 in “Journal of Investigative Dermatology” Melatonin may benefit skin health and could be a promising treatment in dermatology.
32 citations,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
160 citations,
April 2014 in “Drug discovery today” Melatonin helps regulate sleep and may aid in treating various health issues.
5 citations,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
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.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
December 2023 in “International journal of high dilution research” Melatonin and Lissotriton improved hair quality and increased activity in mice.
64 citations,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
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.
March 2014 in “Medicina cutánea ibero-latino-americana” Melatonin applied to the scalp helps increase hair density in people with early hair loss.
4 citations,
October 2013 in “Springer eBooks” Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.
1 citations,
April 2023 in “Journal of Animal Science and Biotechnology” Melatonin helps grow more secondary hair follicles in young goats, improving cashmere production.