Living Proof

Supplement combines soluble keratin (easier to absorb) and actives like biotin, vitamins B3, B5, and B6, antioxidants, zinc, and copper.

Features 60 supplements (1-month supply) packaged in a clear, plastic container to easily identify quantity and a child-proof, white lid.

Ulta and Ulta.com.

Dietary supplement that combines soluble keratin and clinically-tested actives like biotin and antioxidants to give you fuller, stronger hair.