10 citations
,
April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
43 citations
,
April 2005 in “The Journal of Dermatology” Biotin supplements improved skin and hair in a biotin-deficient infant on amino acid formula.
Biotin does not significantly help with hair growth.
78 citations
,
January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
February 2023 in “JEADV Clinical Practice” Biotin supplements significantly improved a young girl's uncombable hair.