5 citations
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August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
January 2007 in “동의생리병리학회지 = Journal of physiology & pathology in Korean Medicine” Biotae Orientalis extracts may help treat hair loss.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
6 citations
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March 2023 in “Journal of Cosmetic Dermatology” Low levels of BDNF and vitamin D are linked to higher depression in alopecia areata and vitiligo patients.
9 citations
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September 2018 in “Journal of Photochemistry and Photobiology B-biology” A hair-growth formula with cystine and thiamin helps protect skin cells against UV damage and improves their growth.
March 2022 in “Annals of Bariatric Surgery” Protein supplements with zinc, iron, and B vitamins reduce hair loss after sleeve gastrectomy.
1 citations
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June 2024 in “Archives of Dermatological Research” Betulin oil doesn't stop hair loss or help regrow hair in hypothyroidism.
October 2025 in “Phytochemistry Letters” 20 citations
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December 2021 in “Journal of the American Academy of Dermatology” Continuous treatment with ritlecitinib and brepocitinib is needed to maintain hair regrowth in alopecia areata.
1 citations
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July 2025 in “Life Sciences”
20 citations
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November 1943 in “Experimental Biology and Medicine” Inositol helped prevent and cure hair loss in rats.
January 2026 in “http://isrctn.com/” The food supplement may help reduce hair shedding and improve hair growth.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
May 2026 in “Journal of Health Sciences and Medicine” Biotinoyl tripeptide-1 nanoparticles effectively protect hair from heat damage.
February 2024 in “Cosmoderma” Micronutrient supplements for hair loss may not help and could be harmful without proven deficiencies.
January 2018 in “Hair therapy & transplantation” Hair health can indicate mental and general health.
January 2026 in “Dermatologic Therapy” Photobiomodulation therapy effectively promotes hair regrowth and improves quality of life in alopecia areata without side effects.
5 citations
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September 2017 in “Journal of Cosmetic Dermatology” A marine protein-based dietary supplement can safely boost hair growth and reduce hair loss in people with thinning hair.
4 citations
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October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
26 citations
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June 2001 in “PTR. Phytotherapy research/Phytotherapy research” Procyanidin B-2 lotion might help men grow thicker hair without side effects.
6 citations
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January 2013 in “Experimental dermatology” Bimatoprost increases hair growth in mice without breaking down into other substances.
Beta vulgaris L. fruit extracts, especially ethanolic, effectively promote hair growth.
February 2024 in “Molecules/Molecules online/Molecules annual” NMN could potentially treat hair loss by reducing oxidative stress and improving cell health.
77 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
September 2023 in “Baylor University Medical Center Proceedings” Some alternative supplements might help with hair loss due to androgenetic alopecia.
January 2023 in “Dermatologic Therapy” The nutritional supplement Pilopeptan® WOMAN improved hair growth and thickness in women with hair loss.
12 citations
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June 2011 in “Han-guk sikpum gwahakoeji/Han'gug sigpum gwahag hoeji/Han-guk sikpum gwahak hoeji” Lactobacillus plantarum-fermented plant extracts promote hair growth and thickness.
March 2026 in “Indian Journal of Dermatology” Baricitinib can cause excessive hair growth.
2 citations
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
3 citations
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January 2018 in “Journal of probiotics & health”