How to refinish a kitchen sink
Here's a link:
Kitchen sinks get more use and abuse than any other sink. Coating methods may not last long.
Treat yourself & buy a new nice stainless steel sink.
You really can't. All applied finishes will chip and peel.
Here is how I made over my bathroom sink: https://thehoneycombhome.com/transform-your-bathroom-with-sink-paint/
What is the sink made out of?
How old is it?