tion needed] and calcium.[citation needed] They can also include essential oil constituents that have some antibacterial properties,[11][15] like phenol,[11] thymol,[11] eugenol,[11] eucalyptol[citation needed] or menthol.[citation needed] Ingredients also include water, sweeteners such as sorbitol, sucralose, sodium saccharin, and xylitol (which doubles as a bacterial inhibitor).[16]