115 citations
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November 1999 in “Journal of The American Academy of Dermatology” Minoxidil increases hair weight and count temporarily in men with hair loss.
66 citations
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June 2006 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss, with best results after four years.
66 citations
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April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
25 citations
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April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
21 citations
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July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
2 citations
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June 2022 in “International Journal of Molecular Sciences” Lower levels of certain genes in hair cells improve hair loss treatment outcomes.
1 citations
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June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
November 2024 in “Journal of Investigative Dermatology” Changes in hair follicle structure may help diagnose and monitor alopecia.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
February 2014 in “Journal of medical sciences” Treating androgenic alopecia can significantly increase hair thickness, especially in males, with hair color and scalp location also affecting hair diameter.
March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dog coat quality.
March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dogs' hair growth and coat condition.
DHT, not testosterone, mainly affects hair growth and related conditions.
62 citations
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December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
20 citations
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August 1981 in “Developmental Medicine & Child Neurology” 13 citations
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June 1981 in “Developmental Medicine & Child Neurology” 1 citations
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April 2001 in “Biological Rhythm Research” Deuterium oxide extends the hair cycle duration in mice without changing hair structure.
Dutasteride and finasteride can change hair growth genes, helping treat hair loss.
38 citations
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December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
15 citations
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January 1989 in “European Journal of Cancer and Clinical Oncology”
12 citations
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July 2014 in “Journal of Investigative Dermatology” Chemotherapy causes complex changes in hair follicle cells that can lead to hair loss.
10 citations
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December 2010 in “British Journal of Dermatology” After menopause, some women lose scalp hair and gain facial hair, with patterns suggesting different underlying causes.
10 citations
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March 2005 in “International Journal of Cosmetic Science” Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
6 citations
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March 2011 in “Experimental Dermatology” Too much or too little selenium in the diet can cause hair loss and graying in mice.
6 citations
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October 1997 in “CNS Drugs” Psychotropic drugs can cause hair loss or excessive hair growth.
3 citations
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January 2004 in “Sen i Gakkaishi” DTDG in hair treatments reduces damage and preserves hair structure.
1 citations
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January 2024 in “The Journal of Dermatology” Taxane-based chemotherapy causes more hair loss and skin changes in Asian breast cancer patients.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
May 2025 in “International Journal of Trichology” Trichoscopic evaluation is important for assessing hair loss in women.