September 2022 in “The Korean Tea Society” Houttuynia cordata compounds may help with anti-aging and hair loss.
62 citations
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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.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocytes are cells that make skin and hair color and help protect skin from sun damage.
5 citations
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February 2020 in “European Food Research and Technology” African baobab fruit is a good source of antioxidants and micronutrients, but too much can cause laxative effects.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural plant-based hair dyes are safer and eco-friendly alternatives to synthetic dyes.
1 citations
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June 2011 in “InTech eBooks” Darker skin provides more protection against UV damage and cancer.
April 1986 in “CRC Press eBooks” Hair color is determined by melanins produced in hair cells.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
August 2024 in “Journal of the American Academy of Dermatology” Nail color change might be an early sign of skin pigmentation from minocycline.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes using plants like henna and indigo are safer and eco-friendly alternatives to synthetic dyes.
January 2010 in “Pharmacy Today” Collagen reduces skin melanin, boosts antioxidants, and improves skin moisture.
15 citations
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June 2021 in “International Journal of Molecular Sciences” CMC2.24 and CMC2.23 reduce melanin safely and effectively.
74 citations
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July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
38 citations
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February 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
6 citations
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September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
22 citations
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January 1985 in “Journal of Human Evolution/Journal of human evolution” Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
29 citations
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
8 citations
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August 2018 in “Journal of Investigative Dermatology”
February 2023 in “Asian journal of pharmaceutical research and development” Flavonoids in Iraqi marshland plants have potential health benefits like antioxidant and anti-inflammatory effects.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
January 2024 in “International Journal of Herbal Medicine” Melanin is important for hair color, health, and UV protection.
1 citations
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January 2016 in “Springer briefs in molecular science” Natural plant-based substances can be used as effective hair dyes.
140 citations
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August 2010 in “Pigment Cell & Melanoma Research” We know a lot about mouse hair color, but not much about human hair color differences.
16 citations
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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.
10 citations
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November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
September 2022 in “Frontiers in Medicine” New treatments and drugs show promise for improving skin pigmentation and regeneration.
13 citations
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November 2016 in “Human & Experimental Toxicology” Maternal exposure to artificial food coloring may increase skin disease risk in rat offspring.
10 citations
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January 2016 in “ACG Case Reports Journal” Long-term Cape Aloe use causes harmless colon pigmentation that can help detect polyps.