● Car Wash Equipment · ReviewP21S 13901W Bodywork Conditioning Shampoo
P21S is the European detailing standard used on Porsche, BMW, and Mercedes
✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read
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Best EuropeanP21S
P21S is the European detailing standard used on Porsche, BMW, and Mercedes
- German formulation
- pH neutral
- High lubricity
- Wax and coating safe
✓ Pros
- P21S is the European detailing standard used on Porsche, BMW, and Mercedes
- Extremely high lubricity - minimal swirl risk during mitt wash
- pH neutral - safe on all coatings
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