Product Review

CTx4 Gel 1100 (citrus flavor) is a low abrasion tooth gel that combines the proven anti-caries benefits of neutral sodium fluoride with bio-available nano-hydroxyapatite crystallites, xylitol, and CariFree's unique pH+ technology. Each box contains one 2 fl oz (57g) tube. Approved size for airline travel! Approximately one month of use (when used twice daily)