DISH SOAP BRAND is a term that refers to the various brands of dish soap available on the market. Two of the most popular brands are DAWN and AJAX, both of which have four letters in their names. DAWN is a brand of dish soap manufactured by Procter & Gamble, while AJAX is a brand of dish soap manufactured by Colgate-Palmolive. Both brands are known for their effectiveness in cleaning dishes and are widely used in households around the world.