Biotin

Biotin is a B-complex vitamin, also known as Vitamin B7 or Vitamin H. It is necessary for cell growth and the production of fatty acids in living organisms. Biotin helps improve the keratin protein that makes up hair, skin, and nails.

A Biotin deficiency can cause brittle hair and hair loss. Research has shown that the right dosage of biotin supplementation increases hair growth, hair structure, and thickness as well as a decrease hair loss.