Arm & Hammer for Pets Itch Relief Spray for Dogs. Infused with Baking Soda, Chamomile, and a refreshing Peppermint scent, this dog itch spray provides soothing relief without harmful chemicals.  This spray is free of Sodium Lauryl Sulfate & Parabens. Available in an 8 Fl Oz bottle, and being offered in a convenient 2 Pack, this is the perfect addition to your pet care essentials. Ensure your dog's skin stays healthy and irritation-free with every application.