35 citations
,
January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical dyes.
12 citations
,
December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
8 citations
,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
5 citations
,
February 2019 in “Journal of oceanology and limnology (Online)” Ecklonia cava extract can reduce the damage and stress caused by hair dye.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.
4 citations
,
March 2018 in “Journal of labelled compounds & radiopharmaceuticals” A new compound was effective for imaging prostate cancer in rats.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
1 citations
,
September 2024 in “Cosmetics” Permanent makeup fades over time and needs reapplication.
17 citations
,
January 2008 in “Journal of the American Academy of Dermatology” Valproic acid can cause hair loss, but information on hair color change is not detailed.
January 2024 in “Dermatology Review” Combining PRP with hydroquinone is more effective for treating melasma than using hydroquinone alone.
36 citations
,
June 2009 in “Archives of Dermatology” Marie Antoinette syndrome causes sudden hair whitening, but its exact cause is unknown.
1 citations
,
January 2004 in “Fashion business” Hair color affects how people perceive personality traits.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
January 2026 in “Animals” TBX3 gene affects pigmentation and marking formation in Dun Mongolian horses.
Methylene blue helps hair growth by protecting hair stem cells from stress.
4 citations
,
June 1980 in “American Journal of Clinical Nutrition” Malnutrition can change hair color due to altered copper and zinc levels.
1 citations
,
July 2020 in “Reviews in separation sciences”
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
2 citations
,
February 2004 in “Biopolymers” 4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
17 citations
,
January 2018 in “International Journal of Trichology” Low levels of iron, copper, and calcium may contribute to premature hair graying.
6 citations
,
March 2015 in “Journal of The American Academy of Dermatology” Hair dye can make it hard to diagnose scalp conditions correctly.
4 citations
,
January 1982 in “Neuroendocrinology” Dopamine affects coat color changes in agouti mice.
December 2013 in “Appetite” A defective gene causes hair loss and taste insensitivity in BTBR mice.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
38 citations
,
June 2005 in “Acta Biochimica Polonica” Splenic eumelanin in C57BL/6 mice is different from hair eumelanin.
21 citations
,
February 2003 in “Farmaco” Method quickly measures finasteride concentration in capsules.