Can I mix Q²M Tar REDEFINED with my shampoo ? March 07, 2025 20:51 Updated No Related articles After rinsing Q²M Tar REDEFINED I still feel my paint contamination - Why ? Will Q²M Tar REDEFINED will damage/alter my paint work or coating ? How to use it ? Do I need to agitate the solution ? How to store the product after use? What is the shelf life once opened?