46 citations
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April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
14 citations
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April 2005 in “Experimental Dermatology” Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.
30 citations
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December 2001 in “Experimental dermatology” Gonadal hormones significantly affect the severity of alopecia areata in mice.
15 citations
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June 2021 in “International Journal of Molecular Sciences” CMC2.24 and CMC2.23 reduce melanin safely and effectively.
60 citations
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August 2005 in “Endocrinology” αMSH may help regulate immune responses in hair follicles and its disruption could lead to hair loss.
1 citations
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November 2022 in “International journal of trichology” A woman's premature gray hair turned mostly black again after using Greyverse solution and hair supplements for 5 months.
7 citations
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June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
30 citations
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April 2013 in “Journal of Investigative Dermatology” Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
August 2020 in “Research Square (Research Square)” Oxygen levels affect hair growth and color cells differently when they interact directly.
12 citations
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May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
12 citations
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September 2020 in “Nanomaterials” The new drug delivery system improves vitiligo treatment by enhancing melanocyte activity and viability.
16 citations
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May 2006 in “PubMed” Alpha-melanocyte-stimulating hormone helps manage skin inflammation and protect against UV damage.
12 citations
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December 1981 in “Journal of Endocrinology” α-MSH increases melanin production in moulting hair follicles, while AVT inhibits it.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking mTORC1 activity with rapamycin could help increase hair pigmentation and growth, potentially reversing gray hair.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
10 citations
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May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
260 citations
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January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
3 citations
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May 2020 in “Acta pharmaceutica” Protocatechuic acid can reduce melanin production and boost antioxidant activity in hair follicles.
24 citations
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January 2023 in “Cancer Research” AMPK activation may reduce melanoma risk in red-haired individuals.
28 citations
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July 2007 in “Development” TAF4 is important for skin cell growth and helps prevent skin cancer in mice.
152 citations
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December 2003 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.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
81 citations
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October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
47 citations
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January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
7 citations
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March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
January 2026 in “International Journal of Science and Research Methodology” Bhangra may help treat premature greying of hair by boosting melanin and improving scalp health.
June 2025 in “IntechOpen eBooks” Exosomes may improve skin and hair treatments but need more research for safe use.
67 citations
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August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.