January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
September 2018 in “Open Repository of the University of Porto (University of Porto)” The internship highlighted the pharmacist's important role in health education and community engagement.
February 2025 in “International Journal of Advanced Research in Science Communication and Technology” Fenugreek seeds may improve hair health and growth.
December 2014 in “Turk Dermatoloji Dergisi” Topical Saw Palmetto and Trichogen Veg Complex increased hair count by 11.9% and improved hair growth in 48% of men with hair loss.
10 citations
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May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
2 citations
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June 2022 in “International Journal of Biomedicine” The review suggests a comprehensive approach to treat hirsutism, focusing on hair removal, medication, and managing emotional effects.
October 2023 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Vitamin D supplementation can improve skin health and appearance.
Eclipta alba can be used in products to treat hair loss.
November 2023 in “Open Repository of the University of Porto (University of Porto)” Community pharmacies and pharmacists play a crucial role in improving community health.
16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
April 2026 in “Journal of Pharmaceutical and BioTech Industry” AI-enhanced smart patches can personalize drug delivery for better treatment outcomes.
1 citations
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October 2022 in “Springer eBooks” Testosterone is key for male sexual function, and treating hormone imbalances can improve sexual issues.
84 citations
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April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
34 citations
,
January 1943 in “Endocrinology” Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
26 citations
,
July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
25 citations
,
June 2015 in “Clinical, Cosmetic and Investigational Dermatology” Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.
18 citations
,
March 2015 in “Journal of Investigative Dermatology” Silencing certain circadian clock genes increases skin pigmentation.
14 citations
,
May 2022 in “Animals” Female goslings have darker feathers than males due to more melanin.
14 citations
,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
12 citations
,
November 2020 in “Molecules” Carvone helps treat skin issues by reducing melanin and stopping harmful cell growth.
10 citations
,
June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
7 citations
,
November 2022 in “International Journal of Molecular Sciences” As Japanese males age, their hair darkens due to increased melanin, with males generally having darker hair than females.
7 citations
,
September 2021 in “Journal of Applied Polymer Science” Cuttlefish ink melanin protects hair from UV damage.
7 citations
,
November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
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.
2 citations
,
March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.