15 citations
,
September 1970 in “Journal of Animal Science” Copper in the diet helps maintain hair color and mineral balance in calves.
13 citations
,
August 2019 in “Biological & Pharmaceutical Bulletin” Certain flavonoids help grow back colored hair after skin injury.
4 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
3 citations
,
May 2010 in “Archives of dermatology” Herpes zoster infection can cause permanent hair color change in the affected area.
2 citations
,
September 2020 in “International journal of radiology & radiation therapy” Radiotherapy can cause rare changes in hair color, which should be discussed with patients.
2 citations
,
February 2016 in “Irish journal of psychological medicine” Mirtazapine may cause hair loss and change hair color, but stopping the drug can reverse these effects.
1 citations
,
March 2019 in “Chinese Medical Journal” Researchers identified potential markers for human hair color stem cells.
1 citations
,
December 2013 in “Balkan Journal of Medical Genetics” Cystic fibrosis can cause unusual symptoms like hair color changes, which can improve with proper treatment.
1 citations
,
May 2012 in “Clinical and Experimental Dermatology” Iron can be present in hair color changes without overall iron deficiency.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” BMP signaling controls hair growth and skin color.
July 2007 in “International Journal of Cosmetic Science” The new polymer improves dyed hair's color, moisture, shine, and smoothness.
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.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
11 citations
,
February 2002 in “International Journal of Cosmetic Science” Recent findings show that hair growth and color are controlled by a complex network of signals in the hair follicle.
1 citations
,
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.
COVID-19 might cause gray hair to regain color.
29 citations
,
April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
7 citations
,
January 2020 in “Nature” Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.
6 citations
,
October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
3 citations
,
April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
November 2025 in “Journal of Cosmetic Dermatology” Exosome therapy can safely and effectively restore color to gray hair.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
240 citations
,
April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
3 citations
,
January 2019 in “Advances in stem cells and their niches” Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes like henna and beetroot are safer but have limited colors and may fade easily.
70 citations
,
December 2004 in “Proceedings of the National Academy of Sciences” BMP signaling affects hair color by interacting with the MC-1R pathway.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
31 citations
,
October 1992 in “Journal of Clinical Pharmacy and Therapeutics” Some medications can change hair color, especially chloroquine and cancer treatments.