16 citations
,
December 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.
November 2021 in “CRC Press eBooks” Hair color is determined by melanin and can be affected by genetic conditions like albinism.
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.
236 citations
,
January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
152 citations
,
April 2004 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
17 citations
,
December 2010 in “Pigment cell & melanoma research” Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.
3 citations
,
January 2021 in “Skin appendage disorders” Hair color is not a risk factor for developing alopecia areata.
240 citations
,
May 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.
56 citations
,
January 2011 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
43 citations
,
November 2005 in “Molecular and cellular endocrinology” Hair melanocytes help the skin respond to stress and regulate hair pigmentation.
20 citations
,
January 2015 in “Current problems in dermatology” Graying hair happens due to aging and might be delayed by new treatments.
January 1980 in “Micron” Daily hair care may cause holes in hair fibers.
127 citations
,
December 2010 in “Pigment cell & melanoma research” We need more research on human hair follicle pigmentation, not just mouse models.
6 citations
,
October 2019 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Rice bran extract boosts melanin production in hair follicles.
5 citations
,
August 2009 in “Clinical and experimental dermatology”
260 citations
,
June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
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.
10 citations
,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
9 citations
,
July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
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.
2 citations
,
January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
12 citations
,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
11 citations
,
June 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
6 citations
,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
December 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
February 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
60 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.