How to Make Old Paintbrushes Like New Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest More Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email Other Great Tips! How to Remove Grease and Oil From Clothing How to Make Fabric Softener Sheets How to Clean a Toilet with Coke Use Mayonnaise to Remove Water Marks on Wood How to Make Old Paintbrushes Like New Soak the stained paintbrushes in Murphey’s Oil for 24-48 hours and all the paint will dissolve off the brush, leaving it like new!