Church & Dwight’s Arm & Hammer brand is tackling sinus congestion and allergies with the new Arm & Hammer Simply Saline Neti Pot Kit, which provides nasal irrigation and expels mucus and moisturizes irritated nasal passages. The kit boasts a variety of user-friendly features to make the process simpler and gentler, according to the company, which acquired the Simple Saline brand in 2010.For example, the formula is pH balanced with Arm& Hammer baking soda to help prevent ...