55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
14 citations
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March 1987 in “Journal of Investigative Dermatology” 1 citations
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April 2023 in “Animals” Wnt and BMP pathways stimulate hair growth in Min pigs, with Wnt being more effective.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
September 2012 in “British Small Animal Veterinary Association eBooks” The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
January 2023 in “Faculty of 1000 Research Ltd” Androgen loss may speed up hair greying.
April 2024 in “Nepal journal of dermatology, venereology & leprology” Premature graying of hair is common and stressful, but not well understood or treated.
July 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Excessive sun protection might contribute to frontal fibrosing alopecia.
September 2018 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
9 citations
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February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
1 citations
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January 2023 in “International journal of molecular sciences” Rabbits with Sarcoptes scabiei had thicker skin, cell death, and skin hardening.
71 citations
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February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
January 2026 in “International Journal of Biological Macromolecules” 2 citations
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December 2015 in “Journal of dermatology” β-interferon injections for melanoma can cause excessive hair growth at the injection sites.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
January 2016 in “SpringerBriefs in bioengineering” Genetic defects and UV radiation cause skin damage and aging.
1 citations
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July 2018 in “Elsevier eBooks” Avoid chemical and physical damage to protect hair.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
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.
3 citations
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January 2015 in “Indian journal of burns” The document discusses how to restore hair in areas like eyebrows, eyelashes, moustache, beard and scalp after burns.
6 citations
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April 2014 in “PubMed” A man got brown patches on his skin (melasma) after taking finasteride, a hair loss treatment.
1 citations
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December 2024 in “Case Reports in Dermatology” Cyclophosphamide likely causes skin darkening by affecting hair follicles.
375 citations
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
2 citations
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October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
3 citations
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March 2007 in “Otolaryngologic Clinics of North America” Choosing the right eyebrow and forehead rejuvenation technique depends on the individual's features and goals, and even small changes can make a big difference in appearance.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The mutant HR bmh protein mis-localizes in cells, affecting skin and hair development.
14 citations
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October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
1 citations
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December 2019 Bimatoprost eye drops can increase eyelash length and strength.