12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
7 citations
,
December 2015 in “Experimental Dermatology” Sh-Polypeptide 9 may be better than minoxidil for hair growth and protection against damage.
3 citations
,
June 2023 in “Frontiers in medicine” Oxidative stress may contribute to hair loss in alopecia areata and antioxidants could potentially help as a treatment.
2 citations
,
January 2017 in “Journal of Pigmentary Disorders” Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.
1 citations
,
January 2023 in “Frontiers in veterinary science” Activating autophagy in dogs with certain diseases improves their skin and hair.
August 2025 in “Aesthetic Cosmetology and Medicine” Blue light can damage hair and scalp, leading to hair loss.
August 2023 in “International Ayurvedic medical journal” Improper diet, lifestyle, and stress are major causes of hair fall.
2 citations
,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
May 2026 in “International Journal of Creative and Open Research in Engineering and Management” A balanced diet and healthy lifestyle are crucial for preventing hair loss.
Stress can cause hair loss and trigger autoimmunity by damaging hair follicle cells.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
18 citations
,
April 2013 in “PLOS ONE” Mice with autoimmune hair loss showed signs of heart problems.
90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
June 2021 in “International Journal of Research in Medical Sciences & Technology” Hair loss has many causes and needs specific treatments.
December 2018 in “Journal of harmonizrd research in applied science” Yoga and Ayurveda, including stress management and herbal oil use, can potentially reduce hair loss and promote hair growth, with further research needed for therapy protocols.
42 citations
,
March 2008 in “Molecular and Cellular Endocrinology” Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.
21 citations
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May 1996 in “Current problems in dermatology” Detailed patient history and physical exams are crucial for diagnosing hair loss.
9 citations
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July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
6 citations
,
October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
1 citations
,
March 2020 in “Current Science” Most people in the surveyed area experience hair loss, but they are not aware of the role of diet, iron, hormones, genetics, and possibly water quality in causing it.
July 2018 in “International journal of clinical & experimental dermatology” Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.
305 citations
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February 2007 in “Hormone and metabolic research” Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.
68 citations
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March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.
66 citations
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July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
59 citations
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February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
38 citations
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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.
32 citations
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March 2021 in “Journal of endocrinological investigation” Thyroid hormones are important for skin health and changes in them can affect conditions like hair loss and eczema.
30 citations
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March 2015 in “PLoS ONE” Thyroxine can adjust the body's peripheral clock, potentially helping treat clock-related diseases.
24 citations
,
January 2022 in “Journal of Nanobiotechnology” Quaternary ammonium iminofullerenes help maize roots grow better under stress by reducing oxidative damage.
21 citations
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May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.