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Biotin

Also known as vitamin B7, biotin helps strengthen and prevent hair breakage at the root by coating and fortifying the strand itself. It also has properties that protect the scalp against environmental stressors.

By
Kathy Watson

Over her 10-year career as a journalist, Kathy has worked as a columnist and reporter for both print magazines and digital publications. She started as a beat reporter for her college newspaper covering biosciences and general science. Kathy holds a B.A. in political science. Reviewed by Collective Laboratories' Medical Advisory Board

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