71 citations
,
January 2016 in “International Journal of Trichology” Biotin deficiency is not a major cause of hair loss in women, so biotin supplements are not likely to be an effective hair loss treatment.
Vinegar-processed black soybean helps hair growth and prevents hair loss.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)”
1 citations
,
July 2017 in “Microbial Cell Factories” Adding soybean oil to Nonomuraea dietziae increases production of a beneficial compound by improving metabolism and enzyme systems.
74 citations
,
July 1979 in “Lancet” Biotin treatment can significantly improve hair loss and motor functions in certain metabolic disorders.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
June 2012 in “한국생활과학회지 = Korean journal of human ecology” The supplement reduced hair loss and increased hair thickness without side effects.
10 citations
,
April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
Taking enzyme food and collagen together improves hair health in middle-aged women more than taking them separately.
1 citations
,
January 2008 in “Aesthetic dermatology” May 2022 in “Endocrine practice” High-dose biotin can cause false thyroid test results; stop taking biotin two days before testing to avoid errors.
October 2021 in “Interfaces Científicas” Nutricosmetics for hair treatment often contain biotin, pyridoxine, zinc, and other nutrients, but more research and professional guidance are needed for their use.
October 2019 in “UNESP Institutional Repository (São Paulo State University)” Minoxidil is more effective than biotin for increasing nail growth rate.
22 citations
,
September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
3 citations
,
March 2022 in “International Journal of Trichology” Special supplements with collagen, vitamins, and minerals can help treat hair loss.
72 citations
,
October 1988 in “Archives of Disease in Childhood” Biotin treatment improves symptoms of biotinidase deficiency, but some neurological damage may be permanent.
August 2022 in “Indonesian Journal of Medical Chemistry and Bioinformatics” Certain herbal compounds might help prevent hair loss in menopausal women by activating Vitamin D receptors.
1 citations
,
July 2025 in “Functional Foods in Health and Disease” CL22209, an Asparagus racemosus extract, safely reduces perimenopausal symptoms and balances hormones.
20 citations
,
July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
March 2000 in “Preventive Nutrition and Food Science” Whalgichan improved hair growth, reduced hair loss, and enhanced cholesterol and lipid metabolism without side effects.
September 2024 in “Journal of Clinical and Translational Endocrinology Case Reports” Biotin can interfere with lab tests, causing misdiagnosis.
December 2015 in “Focus on catalysts” Pomiferin may improve skin and scalp health by boosting important protein expression.
August 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth supplements do not reduce the effectiveness of the breast cancer treatment tamoxifen.
9 citations
,
May 2018 in “Photochemistry and photobiology” The Hair BB Cream effectively prevents UV damage and improves hair health.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
March 2024 in “Biomedical reports” Isoflavone may help manage PCOS symptoms, but its effectiveness is uncertain.
September 2017 in “BAUST Journal”
The supplement improved hair growth and reduced hair loss in women.
The supplement improved hair density and overall hair beauty.