Mill Creek Botanicals - Biotene H-24 Natural Shampoo With Biotin Phase 1 - 8.5 oz. (250 ml) Mill Creek Botanicals Biotene H-24 Natural Shampoo With Biotin Phase 1. Biotene H-24 Shampoo makes your hair thicker & fuller naturally. This shampoo is a rich shampoo containing biotin keratin protein nucle