Magic erasers are incredibly versatile cleaning products, capable of removing even the stubbornest stains and hardened gunk from a variety of surfaces. But sometimes, they work a little too well, taking off a little bit of paint or varnish along with the gunk. This is because magic erasers are abrasive cleaners that…
source https://lifehacker.com/when-not-to-use-a-magic-eraser-1846575729