Follitin Hair Growth Duo: Shampoo & SerumThe Follitin Hair Growth Duo is a targeted two step system combining a sodium free shampoo and a concentrated serum to address hair fall at every stage. Formulated with biotin and collagen, the shampoo gently cleanses the scalp while fortifying each strand from root to tip, creating the ideal environment for new hair growth. The Follitin Hair Fall Control Serum complements the shampoo by delivering active ingredients directly to the follicle,