HOW DO I RE-CAULK a kitchen sink behind the faucet?

To re-caulk a kitchen sink behind the faucet, first, remove the old caulk using a utility knife or caulk removal tool. Clean the area thoroughly with a degreaser and let it dry completely. Apply a new bead of caulk specifically designed for kitchen and bath around the sink edge and faucet base, ensuring a smooth, even line. Finally, smooth the caulk with your finger or a caulk smoothing tool and allow it to cure according to the manufacturer's instructions before using the sink.