Just like all of Nellie’s all natural range, Nellie’s baby soda is free from sls, sles, gluten, phosphates and chlorine. Because our baby laundry is fragrance-free resulting in a perfect pure touch on your baby’s skin. We have added a concentration of sodium per carbonate for natural brightening as well as the addition of pure vegetable soap. Only one tablespoon is needed for a regular size load of laundry! Works in hot or cold water, top loader or front loader.