Silicone is made of synthetic polymers and is often used for medical and building purposes. Silicone caulk is a popular choice for use on nonporous surfaces, such as stainless steel, because the mica and clay used in silicone caulk adhere best to nonporous fixtures. Silicone caulk is durable and remains flexible for many years, as opposed to becoming brittle with age.
Soak the silicone with undiluted white vinegar and let it sit for five to 10 minutes.
Scrape off the silicone using either a razor blade or putty knife. Be careful to not scrape or scratch your sink. Once you get an edge of the silicone lifted, you may be able to peel it off of the stainless steel. If not, continue scraping lightly until the silicone and any residue are removed.
Squirt a small amount of dish detergent on a damp sponge and clean the affected area of the sink to remove any remaining silicone.
For best results, remove the silicone as soon as possible.