January 2015 in “Proceedings of the Oklahoma Academy of Science” Eating raw cotton seeds can cause hair loss, likely due to gossypol.
August 2021 in “Journal of the American Academy of Dermatology” The shampoo's ingredients' effect on a hair growth pathway in cells was tested, but the results are not given.
June 2026 in “Research Square” Vitamin D may help with certain types of hair loss in women.
April 2022 in “JAAD International” Women with frontal fibrosing alopecia have similar vitamin D levels to those with other hair loss types, suggesting vitamin D is not a key factor in this condition.
1 citations
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March 2018 in “Dermatologie pro praxi” Most over-the-counter hair loss treatments lack strong evidence of effectiveness, except for minoxidil, which works but stops working if you stop using it.
13 citations
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September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
October 2019 in “CRC Press eBooks” Retinoids can both cause and treat different hair disorders.
May 2026 in “International Journal of Drug Delivery Technology” Herbs like hibiscus, onion, and aloe vera may help hair growth and are good alternatives to conventional treatments.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
The new method accurately measures active ingredients in hair nourishment products.
The combination of high-dose toremifene and capecitabine was effective for advanced recurrent breast cancer.
9 citations
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May 2018 in “Photochemistry and photobiology” The Hair BB Cream effectively prevents UV damage and improves hair health.
10 citations
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July 2018 in “Our Dermatology Online” Some vitamins and minerals are important for preventing hair loss, but treating hair loss with them without a known deficiency is not proven effective.
1 citations
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January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
74 citations
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July 1979 in “Lancet” Biotin treatment can significantly improve hair loss and motor functions in certain metabolic disorders.
21 citations
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January 2006 in “Hormone Research in Paediatrics” A mutation in the VDR gene affects hair cycling without needing ligand binding.
19 citations
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January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
6 citations
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June 2018 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” Patients with the same genetic mutation for vitamin D-resistant rickets showed different symptoms but all improved with treatment except for hair loss.
1 citations
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January 1998 in “International journal of cancer” Rubbing vitamin D3 on skin can help prevent hair loss from chemotherapy and slow breast tumor growth in mice.
January 2011 in “Guangdong Medical Journal” Low Vitamin D receptor levels in hair follicles may contribute to alopecia areata.
August 2024 in “Journal of the Association of Physicians of India” Adding vitamin B12 to food like salt can effectively improve vitamin levels in rural areas.
January 2024 in “Jurnal Ilmu Kesehatan Hewan” Oreo the dog got better from skin and worm infections after treatment and cleaner living conditions.
November 2022 in “Journal of the Endocrine Society” Correcting vitamin D and progesterone deficiencies can significantly improve hair loss, acne, and BPH symptoms.
February 2023 in “Journal of Cosmetic Dermatology” Combining microneedling with either vitamin D3 or bimatoprost improves hair regrowth more than microneedling alone.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
May 2024 in “European Journal of Immunology” Vitamin B5 and coenzyme A may help regulate the immune system and could improve treatments for chronic diseases and cancer.
January 2023 in “Side effects of drugs annual” Some vitamins, amino acids, and alternative medicines can cause serious side effects, including bone, muscle, and skin issues, and healthcare professionals should be aware of these risks.
29 citations
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December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
April 2026 in “Journal of Pharmacy Practice” Improper vitamin use after bariatric surgery can cause acne.
September 2024 in “Meditsinskiy sovet = Medical Council” Excessive vitamin A intake can cause eye damage, but recovery is possible with proper treatment.