3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
2 citations
,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
40 citations
,
August 2006 in “Current Drug Safety” Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
13 citations
,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
August 2023 in “Dermatology Reports” Minoxidil, a common hair treatment, may cause hair to turn grey or change color, especially with long-term use or if you have a family history of grey hair.
April 2018 in “Gynäkologische Endokrinologie” Testosterone in older women can increase bone density, muscle mass, fat mass, improve memory, and boost libido, but may cause nipple color changes.
December 1990 in “PubMed” Some drugs can cause hair loss, increase hair growth, or change hair color, but stopping the drug usually reverses these effects.
10 citations
,
August 2012 in “Current Problems in Pediatric and Adolescent Health Care” Hair changes can indicate systemic diseases or medication effects.
231 citations
,
July 2008 in “Nutrition reviews” Diet changes can protect against harmful environmental effects on fetal development.
31 citations
,
November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
15 citations
,
November 2015 in “Trends in biotechnology” Gene regulation could revolutionize hair color by altering pigmentation from within.
3 citations
,
August 2022 in “Archives animal breeding/Archiv für Tierzucht” Certain genetic changes in the KAP22-1 gene are linked to better wool quality in Egyptian sheep.
January 2024 in “ARC Journal of Dermatology” During the COVID-19 pandemic, dermatology visits decreased, especially among older patients, patients of color, men, and those with chronic conditions.
October 2024 in “Frontiers in Pharmacology” The correction does not change the conclusion that 2-deoxy-D-ribose helps hair regrowth.
8 citations
,
August 2018 in “BMJ Case Reports” Pazopanib treatment caused rapid hair color loss, possibly indicating its effectiveness.
January 2016 in “International journal of clinical pediatrics” Valproic acid may cause temporary hair changes like loss or thinning in children.
17 citations
,
January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” BMP signaling controls hair growth and skin color.
58 citations
,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
April 2024 in “Authorea (Authorea)” Stopping heptaminol medication reversed hair color loss in a patient on dialysis.
COVID-19 might cause gray hair to regain color.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
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.
9 citations
,
July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.