Invigorate, hydrate, and restore beautiful hair with the Dr. Berg Biotin Shampoo and Biotin Conditioner Bundle. This exclusive bundle contains new and improved formulas of our best-selling Biotin Shampoo and Biotin Conditioner. These high-performing hair care products have been clinically tested and are certified paraben-, sulfate-, silicone-, and cruelty-free. Designed for everyday use and all hair types, Dr. Berg Biotin Shampoo and Dr. Berg Biotin Conditioner nourish and help your hair look and feel its best with every wash.