Active foam for car & pre-wash – powerful, pH-neutral & safe

With 21CARS® active foam , car care becomes an experience.
Our foam cleaner gently removes dirt, insect residue and road grime from the paintwork – without any hard scrubbing.
Whether using a foam lance , foam gun or spray bottle – the dense, stable foam adheres perfectly and works the dirt away before you start hand washing.
Ideal for regular pre-washing in Switzerland to protect your paintwork and sealant in the long term.

Perfect for: Active foam car wash , foam shampoo , pre-wash car care Switzerland , 21CARS® foam care .

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5 products

On sale
Foam Party Set Aktivschaum | 0.5 Liter - 21CARS - 21 - 4 - 017 - 0710497361316
Sale priceFrom CHF 59.00 Regular priceCHF 69.00
5.0
Aktivschaum Reiniger Himbeere | 500ml - 21CARS - 21 - 33 - 001 - 05 - 0710497361064
Sale priceCHF 24.00(48.00/l)
5.0
Solo Foam Party Set Aktivschaum - 21CARS - Solo - Set - 1 -
Sale priceFrom CHF 65.0
Foam Party | Sprühflasche für Aktivschaum - 21CARS - 21 - 4 - 012 - 0710497361323
CLEANLine Vario Foam 304 FA Schaumsprüher - SOLO - WG - 5780 - 4015966303313

Why active foam is a must-have for every car wash

Active foam is more than just fun when washing – it protects the paintwork!
The dense foam encapsulates the dirt, loosens it from the surface and minimizes friction during washing.
This is how they are createdno micro-scratches, and your paintwork will stay looking new for longer.
The 21CARS® formulation ispH-neutral,biodegradableandMade for Swiss conditions– perfect for any car and any season.

The 21CARS® active foam range

  • Active foam car cleaner:Strong foam, pH-neutral, suitable for hand washing and foam lance use.
  • Foam spray bottle:Ideal for spot cleaning without a pressure washer.
  • Foam Party Set:The complete package – cleaner, spray bottle and accessories for maximum foaming effect.

All products areconcentrated,efficientand forall types of paint and sealantsuitable.
Ideal for use at washing facilities and at home in Switzerland.

Application – how to get the most out of the foam

  1. Let the vehicle cool downand rinse off coarse dirt.
  2. Mix active foam:Depending on the level of soiling, use 30–50 ml per 1 L of water (in a foam lance or spray bottle).
  3. Apply evenly to the entire vehicle.
  4. Leave on for 2-4 minutesDo not allow to dry out.
  5. Rinse with clean water and with a21CARS® Drying Toweldry.

Tip:For extra shine, then...Glanzklar car shampoouse.

FAQ – Active Foam & Prewash

Do you have a question? We're here to help.

Our support team is available to you from MO-FR 8 AM to 5 PM.Average response time: 24h