If you're more haphazard about covering your items, though, "we typically recommend that our clients clean their microwave at least twice a week, especially if they're not using a microwavable food ...

Numerous oven brands offer the self-cleaning function, and it's a great alternative to manually scrubbing off the build-up ...

Koala cleaner is my go-to for keeping my prescription glasses, sunglasses, MacBook, iPhone, tablet, and more streak, smudge and dirt-free, and it's super affordable.