20 citations
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June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
March 2026 in “Indian Dermatology Online Journal” Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
Copper levels in green hair decreased significantly after treatment.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
25 citations
,
March 2012 in “Journal of oncology pharmacy practice” An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
January 2010 in “Nihon Hou Kagaku Gijutsu Gakkaishi” The modified staining method can determine the ABO blood group of hair samples accurately.
December 2017 in “JURNAL FARMANESIA” Red dragon fruit peel extract can effectively dye gray hair black.
8 citations
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May 2012 in “Clinical and Experimental Dermatology” An 82-year-old woman's hair turned white suddenly, likely due to a rare form of alopecia that targets pigmented hair.
Daily hair care may cause holes in hair fibers.
1 citations
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July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
June 2025 in “Clinical and Experimental Dermatology” Baricitinib treatment led to dark brown hair regrowth in a red-haired woman with alopecia areata.
April 2025 in “Turkish Journal of Hematology” Nilotinib may cause gray hair to return to its original color.
July 1999 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Hair analysis can reveal glucose levels in diabetic patients.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
2 citations
,
May 2018 in “Australasian Journal of Dermatology” Some patients' hair grew back black and white after chemotherapy.
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
10 citations
,
January 2015 in “Current problems in dermatology” Gentle hair care and avoiding harsh treatments can help manage hair loss.
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
July 2024 in “Dermatology and Therapy” Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.
March 2026 in “Dyes and Pigments” Riboflavin and blue light speed up genipin hair dye, making it fast, glossy, stable, and eco-friendly.
1 citations
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February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
Minoxidil can cause hair to turn yellow.
March 2024 in “Frontiers in reproductive health” Women of color in Northern Manhattan view hair care as important to their identity and culture, and education on harmful chemicals in hair products is needed.
14 citations
,
November 1979 in “Pediatric Research” 59 citations
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March 2003 in “The Lancet” Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.