Stainless steel is known for its ability to resist rust and corrosion, but it is not completely immune to these problems. Here are some tips to prevent your stainless steel basin faucet from rusting:

Clean the faucet regularly: Regular cleaning is essential to prevent the buildup of dirt, grime, and other debris that can cause rust to develop. Use a mild detergent and warm water to clean the faucet. Avoid using abrasive cleaners, steel wool, or other rough cleaning tools that can scratch the surface of the stainless steel.

Dry the faucet after use: After using the faucet, dry it thoroughly with a soft cloth to remove any water droplets that may have accumulated on the surface. Water can leave behind mineral deposits, which can eventually lead to rusting.

Avoid harsh chemicals: Avoid using harsh chemicals such as bleach, ammonia, or chlorine to clean the faucet. These chemicals can damage the surface of the stainless steel and make it more susceptible to rust.

Apply a protective coating: There are several protective coatings available that can help to prevent rust and corrosion on stainless steel. These coatings create a barrier between the metal and the environment, preventing moisture and other elements from coming into contact with the surface.

Regularly inspect the faucet: Regularly inspect the faucet for signs of rust or corrosion. If you notice any discoloration or rust spots, take action immediately to prevent the problem from getting worse.