Ever wonder why we use foam cannons instead of a regular wash? At SM.AutoDetailing in San Mateo

Even if your car looks clean, it could still be carrying dirt and grime that scratches your paint over time. Many quick washes or drive-throughs reuse water or rely on brushes that leave fine scratches or swirl marks. Foam cannons aren’t a gimmick — they’re a better way to clean safely while protecting your finish.

Foam works by loosening dirt and grime, allowing it to rinse off before any hand washing begins. It also allows us to apply pre-wash solutions evenly, further breaking down contaminants and making the hand wash safer for your paint. This simple step reduces the risk of scratches and keeps your finish smooth longer. No harsh chemicals, no rough scrubbing — just the right products, proper technique, and attention to detail.

Benefits of foam cannon washing:

• Protects paint — minimizes scratches and swirl marks

• Prepares the surface — ensures wax, sealant, or ceramic coating bonds properly

• Gentle yet thorough — removes contaminants without damage

• Allows pre-wash treatment — breaks down grime before hand washing

• Keeps your car looking new — smooth, shiny, and well-maintained

Using a foam cannon properly is about more than spraying foam — it’s about doing it the right way. With proper coverage, rinsing, pre-wash application, and follow-up washing, this step makes a visible difference in paint protection and overall finish. Over time, it keeps your car looking its best while reducing wear caused by everyday dirt and debris.