April 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
September 2012 in “British Small Animal Veterinary Association eBooks” The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
March 1988 in “Reactions (Auckland)” Birth control pills can improve or cause acne and hair issues, with improvements more common, and may affect skin pigmentation.
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.
216 citations
,
October 1997 in “American Journal of Ophthalmology” Using the eye pressure medication latanoprost can cause excessive hair growth and darker eyelashes on the treated eye.
138 citations
,
June 2023 in “Molecules” Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.
101 citations
,
April 2013 in “Science” Feather pigment patterns form through melanocyte arrangement and simple regulatory mechanisms.
84 citations
,
April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
81 citations
,
August 2011 in “Journal of The American Academy of Dermatology” Latanoprost 0.1% may effectively treat hair loss.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
62 citations
,
October 2013 in “Journal of Human Evolution/Journal of human evolution” Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
42 citations
,
December 2019 in “Steroids” Body hair isn't a good substitute for scalp hair in steroid analysis.
32 citations
,
May 2023 in “Preprints.org” Skin pigmentation varies due to genetics, UV exposure, and medications, with treatments available but requiring medical advice.
25 citations
,
October 1985 in “Archives of Ophthalmology” The pigment in black eyeliner can spread in the skin and may cause permanent eyelash loss.
23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
21 citations
,
October 2007 in “Australasian Journal of Dermatology” A woman with hair loss regrew white hair after taking prednisolone.
21 citations
,
January 2007 in “Journal of the European Academy of Dermatology and Venereology” Travoprost can help eyelash growth but may cause darkening around the eyes.
20 citations
,
February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
20 citations
,
December 2020 in “Frontiers in Immunology” The immune processes causing VKH and vitiligo are similar in dogs and humans.
20 citations
,
October 2018 in “American Journal of Clinical Dermatology” Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.
18 citations
,
March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
18 citations
,
February 2001 in “Der Hautarzt” A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
17 citations
,
May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
16 citations
,
May 2006 in “PubMed” Alpha-melanocyte-stimulating hormone helps manage skin inflammation and protect against UV damage.
16 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
13 citations
,
July 2016 in “Indian Journal of Dermatology” DPR can show different hair characteristics, as seen in two brothers with normal hair.