2 citations
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January 2020 in “BioMed Research International” Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.
1 citations
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September 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing Dicer from pigment cells in newborn mice causes early hair graying and changes in cell migration molecules.
January 2024 in “Dermatologic therapy” Fire Needle Therapy may help bring back skin color in vitiligo by affecting cell growth signals.
Silk sericin dressing with collagen heals wounds faster and improves scar quality better than Bactigras.
19 citations
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January 2007 in “Biological & pharmaceutical bulletin” Glycine reduces skin pigmentation by lowering melanin production.
489 citations
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
161 citations
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June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
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.
71 citations
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May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
56 citations
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November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
40 citations
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May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
20 citations
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December 2013 in “PubMed” Quercetin boosts melanin production in mouse hair follicles.
16 citations
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January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
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September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
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February 2022 in “Nutrients” Korean Red Ginseng saponins may protect skin from inflammation and darkening caused by air pollution.
3 citations
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May 2020 in “Acta pharmaceutica” Protocatechuic acid can reduce melanin production and boost antioxidant activity in hair follicles.
1 citations
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January 2009 in “Elsevier eBooks” Lasers can reduce hair growth but may also damage skin.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Exosomes from small-tailed Han sheep enhance hair growth in mice.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
December 2023 in “Journal of ethnopharmacology” Tribuloside can increase skin pigmentation by enhancing melanin production and distribution.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a new way UVB light increases skin pigmentation through the ATP-P2X7 pathway.
January 2010 in “Pharmacy Today” Collagen reduces skin melanin, boosts antioxidants, and improves skin moisture.
October 2021 in “QJM: An International Journal of Medicine” Intense Pulsed Light treatments significantly improve signs of aging and sun damage on the skin.
35 citations
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October 2003 in “Dermatologic clinics” Laser therapy on darker skin has higher risks and needs expert handling.
16 citations
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February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
3 citations
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November 2022 in “Frontiers in Oncology” Melanin may help melanoma cells grow by aiding their metabolism.
November 2025 in “Frontiers in Veterinary Science” A 1.0% tyrosine diet increases melanin in chicken feathers.
April 2026 in “Science & Justice” Hair analysis can confirm drug use but can't accurately measure how much was taken.