How to Wash a Ceramic Coated Car (So the Coating Lasts)

The first week

Most coatings are touch-dry in hours but keep hardening for about seven days. During that week: no washing, no rain if you can avoid it (a carport is ideal), and if a bird gets it, rinse gently with water only and blot dry. Don't apply anything to the paint.

The routine

1. Rinse first. A pressure washer or strong hose blast removes most dust and grit before you touch the paint. On a coated car this alone gets it 70% clean.

2. Snow foam if you can. A foam cannon lets a pH-neutral shampoo dwell and lift grime. Rinse again.

3. Two buckets, grit guards, microfibre mitt. One bucket of pH-neutral shampoo, one of plain rinse water. Wash top-down, rinse the mitt in the rinse bucket before going back to the soap. Do the dirty lower panels and wheels last with a separate mitt.

4. Rinse and dry properly. Dry with a blower or a plush drying towel — never let it air-dry (see our tank-water article). A quick-detailer or coating-safe drying aid makes this faster and adds slickness.

5. Top up every few months. A ceramic spray or SiO₂ detailer refreshes the hydrophobics. It's optional but it keeps the coating performing at its best.

What to avoid

Automatic brush washes (abrasive). Dish soap and strong degreasers on paint (strip the top-up layers and dull the coating). Waxing over the coating (pointless — the wax sits on top and masks the coating's properties). Letting bird droppings or bugs bake on for days. Dry-wiping dust off with a cloth.

How often? Every two to four weeks for a daily driver is ideal. Longer gaps don't damage the coating, but contaminants given weeks in the sun get harder to shift.

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