For those with sensitive gums to canker sores, No SLS Toothpaste may be a beneficial alternative. SLS free fluoride free toothpaste for strong teeth and toothpaste for natural whitening teeth. Toothpaste without SLS is also fluoride-free toothpaste & vegan toothpaste for oral care.  SLS free toothpaste good for sensitive teeth and gums uses some of the natural ingredients to remove food particles, erase stains, and brighten teeth, resulting in a dazzling smile.