Koch Chemie Active Foam (Af) | Alkaline Active Foam Pre-WashKoch Chemie Active Foam High Foaming, pH Balanced Shampoo for a Safe & Effective Wash The Koch Chemie Active Foam is a high performance, pH balanced foaming shampoo designed to provide deep cleaning while preserving waxes, sealants, and ceramic coatings. This high lubricity formula produces thick, clinging foam that lifts dirt and grime from the surface, reducing the risk of swirls and scratches during the wash process. Powerful Cleaning with Thick,