Silly String is a lot of fun to use, but it can also be a pain to clean up. The string itself is made of plastic and doesn't break down easily, so it can quickly become tangled and difficult to remove. And, because it's brightly colored, any Silly String stains are going to be very noticeable. But don't worry - with a little effort, you can get those stains out!
The first step is to try to remove as much of the Silly String as possible. This can be tricky, but if you take your time and work carefully, you should be able to get most of it off. Once you've removed as much as you can, treat the remaining stain with a pre-wash stain remover or laundry detergent . Let it soak in for a few minutes before laundering as usual.
If the stain is still there after washing, you may need to treat it with a stronger cleaner. Oxygen bleach or chlorine bleach are both effective at removing stubborn stains. Be sure to test the fabric in an inconspicuous spot first to make sure that the bleach won't damage it. Once you've treated the stain with bleach, launder again and check to see if the stain has been removed.
If all else fails, you may need to call in professional help. A trained textile specialist will know how to safely and effectively remove even the most stubborn Silly String stains.