Chemicals Used in Soft Washing: A Guide to Cleaning Durable Surfaces

Soft washing involves using a combination of chemicals to clean durable surfaces, including detergents, surfactants, biocides, acidic cleaners, and antifungal agents. The specific mixture of chemicals used will vary based on the surface and material

The specific chemicals used for soft washing can vary, but they typically include a combination of the following when cleaning durable surfaces. 


  • Detergents: Detergents are used to break down and remove dirt, grime, and other organic material. They are formulated to be gentle on surfaces, while still providing effective cleaning power.
  • Surfactants: Surfactants are wetting agents that help to spread the cleaning solution evenly over the surface being cleaned. They also help to reduce the surface tension of the cleaning solution, allowing it to penetrate into cracks and crevices.
  • Chemical Cleaners: Biocides are chemicals that are used to kill organic growth, such as algae, moss, and lichen. They are a key component of soft washing solutions, as they help to remove and prevent regrowth of the organic material. The most commonly used chemical is sodium hypochlorite, most commonly sold in 12.5% concentration form. 
  • Acidic cleaners: In some cases, acidic cleaners, such as muriatic acid, may be used to remove stubborn stains, such as hard water marks and rust. However, these cleaners should be used with caution, as they can damage some surfaces.
  • Antifungal agents: Antifungal agents may be added to the cleaning solution to prevent the growth of fungi, such as mildew.

The exact mixture of chemicals used will depend on the specific surface being cleaned, as well as the type of organic material that needs to be removed. It's important to use only high-quality cleaning solutions that are specifically designed for soft washing, and to follow the manufacturer's instructions carefully to ensure the best results and minimize the risk of damage to the surface being cleaned.