Finding flouride-free toothpaste is a spendy pursuit, costing up to $5 per small tube. Sodium lauryl sulfate is included in most natural toothpastes, which is the foaming agent that is added to toothpaste and other bathroom products. There is much controversy whether it is safe as well, This link has recipes for making your own fluoride-free toothpaste with inexpensive ingredients.

[link to www.passionatehomemaking.com]