You deep clean your home every so often (fine, once a year, before Great Aunt Agnes comes over). You scour and scrub every surface in sight, from the TV to the oven and even the fireplace. But you’ve been neglecting the most important surface of all: the walls. With the amount of leaning, touching and run-ins with crayons, coffee, and wine, it’s worth knowing how to treat them the right way without creating any additional damage. So, before you plan a trip to Sherwin-Williams because your toddler has found their inner Basquiat, find out how to clean walls below.