January 2012 in “TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN” Human hair can be used to study mineral changes from long-term space flight.
December 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment safely and effectively restores natural hair color by increasing black hair and reducing grey hair.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
15 citations
,
January 2017 in “Pigment International” Early hair graying is often inherited and influenced by genetics, environment, and lifestyle, but treatment options are limited.
October 2020 in “Ayurline: international journal of research in indian medicine” Poor quality hair products contribute to premature greying in children.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
1 citations
,
September 2024 in “Journal of Oncology Pharmacy Practice” Hydroxyurea treatment unexpectedly restored hair color from gray to dark brown in an older woman.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
1 citations
,
March 1958 in “PubMed” September 2015 in “Research Portal (King's College London)” Human hair movement is affected by its inner structure and chemical treatments.
June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
1 citations
,
January 2026 in “JAMA Network Open” Asian women with breast cancer experience the highest rates of long-term hair loss and related distress after chemotherapy.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
January 1974 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
1 citations
,
November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
5 citations
,
November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
1 citations
,
January 2002 Hair shine can be measured by how it reflects laser light.
October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
7 citations
,
January 1990
9 citations
,
March 2005 in “Aesthetic surgery journal” The long-pulse alexandrite laser effectively removes hair permanently.
Hair can naturally regain color, and stress might influence greying and its reversal.
2 citations
,
January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
January 1996 in “Studia iuridica” Two new gene mutations cause a rare hair disorder.