Nigrin With its self-active formula, tar and tree resin remover enables particularly effective and gentle cleaning of your vehicle. Nigrin tar and tree resin remover also offers you tested material compatibility: it protects painted surfaces, metal and chrome. Note: Do not let it dry out! Protect against frost. Use only on painted surfaces. May damage plastics. Check material compatibility on a hidden area before use. If you add several items with a paid shipping to your shopping cart, we only pay the shipping costs once. So you can save if you order several items at once. The return can take place at the municipality's public collection points or wherever they are sold. We also take back used batteries and batteries for disposal, and there are any freight costs at the expense of the cus.