10 citations
,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
4 citations
,
March 2013 in “The American Journal of Cosmetic Surgery” Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.
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.
November 2024 in “Journal of Investigative Dermatology” Nerve fibers may worsen mast cell activity, leading to abnormal elastic fiber buildup from sun exposure.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
8 citations
,
June 2009 in “British Journal of Dermatology” Human melanocytes in skin and hair follicles don't express keratin 16 or 6 naturally.
7 citations
,
October 2010 in “Medical Hypotheses” Alopecia areata may involve stress-related changes affecting hormone receptors, leading to reduced cortisol production.
14 citations
,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
5 citations
,
August 2021 in “Experimental dermatology” Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
20 citations
,
December 2013 in “PubMed” Quercetin boosts melanin production in mouse hair follicles.
July 2016 in “Cancer research” Mutant cells in hair follicles are influenced by their location and interactions with surrounding cells.
37 citations
,
January 2016 in “Australasian Journal of Dermatology” Scalp melanomas are more dangerous and often missed, needing earlier detection.
105 citations
,
April 2005 in “Cell” Hair graying happens because certain cells aren't maintained properly.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
January 2016 in “Journal of Investigative Dermatology” Some cells may slow melanoma growth, a protein could affect skin pigmentation, a gene-silencing method might treat hair defects, skin bacteria changes likely result from eczema, and a defensin protein could help treat multiple sclerosis.
33 citations
,
April 2003 in “Oncogene”
1 citations
,
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocyte-associated antigens may play a key role in alopecia areata and could be targets for new treatments.
4 citations
,
August 2017 in “International journal of molecular sciences” The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
58 citations
,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
175 citations
,
December 2014 in “PLoS Biology” Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
349 citations
,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
56 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
11 citations
,
February 1982 in “Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis” A new method can detect mutations in mice by observing changes in hair follicle cells.
April 2024 in “Pigment cell & melanoma research” Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
35 citations
,
January 1981 3 citations
,
October 2020 in “Journal of Investigative Dermatology” Removing β-catenin in certain stem cells causes hair whitening and pigmentation issues.