7 citations
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March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
18 citations
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March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
December 2025 in “International Journal of Molecular Sciences” Bacopa procumbens extract may help protect the brain in Parkinson's disease.
April 2026 in “The FASEB Journal” Exosomal miR-199a-3p from dermal papilla cells helps control hair color by affecting melanocytes.
1 citations
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September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye with Barleria prionitis is a safe, effective, and natural alternative to chemical dyes.
6 citations
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February 2023 in “Cosmetics” Nostoc verrucosum extracts may help reduce melanin production and have antioxidant properties.
4 citations
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September 2018 in “Rendiconti lincei. Scienze fisiche e naturali” Researchers concluded that "spigo nardo" is the Himalayan plant Nardostachys jatamansi, used historically in medicine and cosmetics, now critically endangered.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
17 citations
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April 2002 in “Contact Dermatitis” Minoxidil 5% caused skin discoloration in a man using it for hair loss.
15 citations
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January 2009 in “International Journal of Andrology” Liquorice may reduce testosterone and affect male reproductive organs, potentially helping treat conditions like prostate cancer.
9 citations
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
4 citations
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May 2023 in “Pigment Cell & Melanoma Research” BMI1 is essential for preventing hair greying and maintaining hair color.
January 2022 in “Journal Of Biotechnology And Crop Science” Liquorice has medicinal benefits, including antioxidant, anti-inflammatory, antimicrobial, antiulcer, and antiviral effects.
January 2008 in “Lishizhen Medicine and Materia Medica Research” The root extract of Untica mairei Levl may help treat benign prostatic hyperplasia.
4 citations
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February 2025 in “BMC Genomics” Black wool in Qira sheep is linked to specific gene mutations, especially in the TYRP1 gene.
May 2024 in “FEBS open bio” Annurca apple extract may help treat hair loss and protect against oxidative stress.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
9 citations
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July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
6 citations
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January 2018 in “Dermato-endocrinology” Darkened knuckles can be an early sign of insulin resistance.
June 2025 in “Mutiara Jurnal Penelitian dan Karya Ilmiah” Moringa leaf extract tonic may reduce hair loss.
January 2004 in “Linchuang pifuke zazhi” Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.
17 citations
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May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
June 2025 in “Animal Bioscience” miRNA-24 affects goat coat color by controlling proteins involved in pigment production.
19 citations
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June 2010 in “Journal of acupuncture and meridian studies” A plant extract was found to effectively block an enzyme related to male hormone-related diseases.
37 citations
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January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
January 2026 in “Journal of Ethnopharmacology” Naringin from citrus fruits can significantly promote hair growth better than minoxidil.
February 2026 in “IOP Conference Series Earth and Environmental Science” Candlenut plants in Karo have common traits and varied kinship, with MTB1 and MTB2 being closest.
2 citations
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June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.