# References

Colombo VE, Gerber F, Bronhofer M, Floersheim GL. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy. J Am Acad Dermatol. 1990;23(6 Pt 1):1127-32.

doi: 10.1016/0190-9622(90)70345-i.

[Read more](https://pubmed.ncbi.nlm.nih.gov/2273113/)

Lipner SR, Scher RK. Biotin for the treatment of nail disease: what is the evidence? J Dermatolog Treat. 2018;29(4):411-414.

doi: 10.1080/09546634.2017.1395799.

[Read more](https://pubmed.ncbi.nlm.nih.gov/29057689/)

National Institutes of Health. Office of Dietary Supplements. Biotin. Fact Sheet for Health Professionals. 2021. Accessed April 11, 2021.

[https://ods.od.nih.gov/factsheets/Biotin-HealthProfessional/.](https://ods.od.nih.gov/factsheets/Biotin-HealthProfessional/)