14 Jun 2021 --- Functional water brand 2T Water is expanding the reach of its Biotin Water Hair, Skin and Nails. The product range is now sold across Publix Supermarkets in the southeast US region. Biotin Water Hair, Skin and Nails is touted as “the first” beverage that delivers 300 mcg biotin per 16 oz with zinc and folic acid included in the proprietary formula.