PMEE may help reverse greying hair by boosting melanin production.
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Valproic acid can cause dark lines on nails.
13 citations
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September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
May 2024 in “International journal of medicine and psychology.” Personal values and life priorities boost resilience and emotional stability.
35 citations
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January 1981
19 citations
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November 2023 in “npj Regenerative Medicine” Synthetic melanin applied to skin speeds up wound healing.
13 citations
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April 2022 in “Frontiers in oncology” Melanoma development can be linked to the breakdown of skin's melanin-producing units.
The bio-patch improves wound healing by reducing stress, inflammation, and promoting blood vessel growth.
July 2024 in “Journal of Cosmetic Dermatology” Hydrophilic melanin may help hair grow by improving blood flow and regeneration.
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.
26 citations
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October 1988 in “Clinics in Dermatology” Baldness treatments focus on improving appearance and have psychological impacts.
May 2024 in “JEADV Clinical Practice” A change in SALT scores of 42 or 43 indicates meaningful improvement in alopecia areata treatment.
April 2021 in “Research Square (Research Square)” Achieving 80% or more scalp hair regrowth is considered a successful treatment for significant hair loss.
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.
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.
2 citations
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September 2024 in “Animals” Key genes influence melanin in chicken muscles, affecting their value.
1 citations
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March 2019 in “Chinese Medical Journal” Researchers identified potential markers for human hair color stem cells.
October 2025 in “Molecular Genetics and Genomics” July 2024 in “Journal of Investigative Dermatology”
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
39 citations
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November 2017 in “Journal of The American Academy of Dermatology” The document suggests using standardized methods to track and measure hair loss in alopecia areata, including patient self-assessment and a 50% improvement in specific scores as a treatment goal.
50 citations
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February 2004 in “Journal of Investigative Dermatology” 10 citations
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August 2023 in “Animals” SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
86 citations
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January 2020 in “British Journal of Dermatology” The AA-IGA scale reliably measures treatment success in alopecia areata by considering both clinician and patient views.
7 citations
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July 2022 in “Quality of Life Research” 80% scalp hair regrowth is a successful treatment for alopecia areata.
November 2024 in “Journal of the European Academy of Dermatology and Venereology” Long-term baricitinib treatment can lead to significant scalp hair regrowth in patients initially showing only eyebrow or eyelash regrowth.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.