How to Get Dye out of Clothes | Persil - Laundry detergent
Mix a solution of Persil Bio Washing Powder and the hottest water possible for your fabric. Soak your clothes in this solution for at least 30 minutes up to a few hours. Rinse in hot or warm water. Wash as normal in your washing machine. If the dye stain remains, repeat Steps 1 to 3. You may also want to try a commercial colour run remover.