Arm & hammer baking soda is pure, safe and natural. Trusted and used in family recipes for over a 165 years, helping to bake the best tasting cookies and cakes across the globe. There are hundreds of other uses for baking soda, from cleaning produce naturally to deodorizing refrigerators, freezers, diaper pails, stinky drains and sinks to scrubbing away nasty stains and grease. Baking soda is also perfect for helping to relieve heartburn, acid indigestion and upset stomach's. It temporarily protects and helps relieve minor skin irritation and itching due to poison ivy, oak, sumac and insect bites.