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March 1991 in “PubMed” Hormonal imbalances, including high prolactin and thyroid issues, contribute to hair growth problems in women.
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September 1984 in “Journal of Biological Education” Plants change their growth in response to shade based on light signals detected by phytochrome.
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November 2020 in “Cleveland Clinic Journal of Medicine” Eyelash loss can be a sign of thyroid problems.
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April 2025 in “Advanced Healthcare Materials” Light-activated hyaluronic acid derivatives can enhance skin healing and regeneration.
3 citations
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January 2019 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Idiopathic hirsutism is the most common cause, followed by PCOS, and insulin resistance should be checked in patients with acanthosis nigricans.
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February 2025 in “Journal of the American Academy of Dermatology” Most men prefer keeping their eyebrows over scalp hair.
23 citations
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January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
December 2025 in “eTheses of Maulana Malik Ibrahim State Islamic University (Maulana Malik Ibrahim State Islamic University)” A traditional plant mix from East Nusa Tenggara boosts hair growth in mice.
59 citations
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August 2014 in “International Journal of Biological Macromolecules” The study found an efficient method to extract antioxidants from Hibiscus leaves.
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April 2023 in “International Journal of Homoeopathic Sciences” Phosphorus may help treat alopecia areata.
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January 2023 in “Ophthalmology and Therapy” Low-level red light therapy can shorten eye length in some myopic children.
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August 2022 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” BLH308, made from persimmon leaf, green tea, and sophora fruit, may help reduce hair loss by fighting oxidative stress and inflammation.
April 2017 in “Journal of Investigative Dermatology” Certain compounds can protect hair cells from aging and promote growth.
January 2026 in “Psychoneuroendocrinology” Self-collected hair samples can measure stress but may need adjustments for accuracy.
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January 1997 in “Skin research” Hinokitiol and pantothenylethylether in hair products can cause strong allergic reactions.
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July 2019 in “Journal of the American Academy of Dermatology”
July 2025 in “SKIN The Journal of Cutaneous Medicine” Ashwagandha may help with skin and hair issues, but more research is needed.
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May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
Hypoxic preconditioning helps human hair follicle stem cells survive oxidative stress.
14 citations
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March 1994 in “Archives of Dermatology” A married couple both developed alopecia areata, possibly due to shared stress.
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June 2025 in “British Journal of Dermatology” Smartwatch light therapy may help regrow hair in alopecia areata.
March 2023 in “Jurnal Ilmiah Medicamento” The hair tonic from Usada Bali plants increased hair growth without irritating the skin.
9 citations
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November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Baricitinib helps regrow scalp, eyebrow, and eyelash hair in teens with severe alopecia areata.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
December 2024 in “PubMed” A man with a rare disease experienced late hair whitening and loss, but hair color returned, suggesting a good outlook.
127 citations
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June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
March 2026 in “International Journal of Homoeopathic Sciences” Homeopathic and biochemic treatments led to hair regrowth and improved confidence in a man with hair loss.
May 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” Asian women often experience distinct hair thinning at the top of the head.
47 citations
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October 2021 in “Journal of Nanobiotechnology” HPDAlR nanoparticles greatly improve skin wound healing without toxicity.