July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
8 citations
,
January 2007 in “Hair transplant forum international” Vitamin B12 improves the health and growth of hair micrografts.
4 citations
,
January 1986 in “PubMed” Serum biotin levels can indicate biotin deficiency in sows.
8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
1 citations
,
January 1997 in “Proceedings of the British Society of Animal Science” Biotin is important for goat skin and hair health.
2 citations
,
December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
Bio-enhanced hair restoration improves hair growth.
January 1998 in “Proceedings of the British Society of Animal Science” Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.
January 1998 in “Proceedings of the British Society of Animal Science” Biotin supports cell growth and DNA synthesis in Angora goat hair follicles.
11 citations
,
January 1989 in “PubMed” Biotin improved fur and skin conditions in most dogs.
6 citations
,
April 2019 in “Nutrients” Biotin is important for keeping zinc levels balanced in the skin and its lack can cause hair loss.
July 2025 in “JAAD Case Reports” 
March 2000 in “Preventive Nutrition and Food Science” Whalgichan improved hair growth, reduced hair loss, and enhanced cholesterol and lipid metabolism without side effects.
June 1987 in “Pediatric Neurology Briefs” Biotinidase deficiency can cause symptoms like sleepiness, hair loss, and seizures.
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.
71 citations
,
June 1993 in “Journal of Investigative Dermatology” September 2024 in “Journal of Clinical and Translational Endocrinology Case Reports” Biotin can interfere with lab tests, causing misdiagnosis.
1 citations
,
July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.
January 2025 in “Genetics in Medicine Open” Biotinidase deficiency can mimic neuromyelitis optica and should be considered for accurate diagnosis and treatment.
Biotin can help improve hair condition and reduce hair loss.
Biotin and silica from plants improve hair, skin, and nail health.
September 2021 in “Crop research/Crop Research” Aluminum foil packaging kept the biotin nutrition bar with the least bacteria after 30 days.
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.
August 2022 in “Journal of the American Academy of Dermatology” The authors agree they didn't discuss the risks of too much micronutrients and value the focus on biotin deficiency signs and treatment effectiveness.
January 1999 in “Proceedings of the British Society of Animal Science” Biotin deficiency may harm hair follicle health and growth in Angora goats.
4 citations
,
March 2021 in “Experimental dermatology” Minoxidil increases nail growth more than biotin.
2 citations
,
November 1961 in “American Journal of Clinical Nutrition” 
5 citations
,
May 2019 in “Cureus” Taking biotin supplements can cause incorrect thyroid test results, leading to wrong diagnoses.
22 citations
,
September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.