Preventative care is just as important as regular cleaning. Avoid getting lotions, sunscreen, perfume and harsh household cleaners (such as bleach) on your jewelry to best maintain its' shine.
I saw this stuff on a professional house cleaner's TikTok and thought, 'What the heck, might as well give it a try.' Oh my goodness, the first day after my shower, I sprayed this stuff all over and walked away.