The two most popular soap pad brands are BRILLO (6 letters) and SOS (3 letters). BRILLO is a brand of steel wool soap pads manufactured by the Church and Dwight Company. It was first introduced in 1913 and is now sold in over 50 countries around the world. SOS is a brand of scouring pads manufactured by the Clorox Company. It was first introduced in the 1920s and is now sold in over 30 countries. Both brands are known for their effectiveness in removing dirt, grease, and grime from surfaces.