Brillo Basics Estracell Heavy Duty Scrub Sponge. The more sanitary, dual-sided Brillo Estracell Heavy Duty Scrub Sponge easily removes burnt-on foods. It’s made with unique fibers that dry faster. We made a different sponge for all your surfaces, so you can clean up without spreading bacteria around. This, plus the fact that bacteria won’t grow on our Estracell sponges, makes them more sanitary. That’s why Brillo is one of the most trusted names in household cleaning.