Removing Caulk from Quartz bathroom countertop
Once pure silicone is cured there are no cleaners or solvents, that I'm aware of (maybe an acid), to remove or dissolve it. I've had very good success removing dried silicone that had not been applied carefully by "pushing" it off the surface. With your thumb or pointer finger apply pressure on the wayward silicone smear pushing back and forth. If the bead is thin the friction that is created by your digit will start peeling it off the surface. The alternative is to very cautiously slice the sealer off with a single edged blade. Be alert, even though quartz is a fairly hard mineral a sharp edge can still nick the surface. Keep the blade angle low; 25-30 degrees and push with easy short strokes. Depending on the countertop composition, silicone is used frequently as an adhesive and a sealer. Its color is usually matched to the most prominent color of the countertop. For a neat and discreet caulk bead, blue painters tape can be placed as a protective border so that any caulking that spreads beyond the intended area will be removed with the tape.