P&S Pearl Auto Shampoo
P&S Pearl Auto Shampoo is a premium, eco-friendly car wash from the Double Black Renny Doyle Collection.
Key Benefits
- High-Foaming Lubrication: Dense, stable suds help encapsulate dirt for a safer wash.
- pH-Balanced & Biodegradable: Eco-conscious formula that’s safe on all finishes.
- Paint-Safe Performance: Gentle on waxes, sealants, and ceramic coatings.
- Foam Cannon Ready: Produces consistent foam for pre-wash or contact washing.
- Fresh Lemon Scent: Clean, pleasant fragrance enhances the wash experience.
- Highly Concentrated: Economical dilution for professional and enthusiast use.
How to Use
- Pre-Rinse: Rinse the vehicle thoroughly to remove loose dirt and debris.
- Mix: Add the recommended amount of Pearl to your wash bucket or foam cannon.
- Foam: Create rich suds using water pressure or a foam cannon.
- Wash: Clean top to bottom with a quality microfiber wash mitt.
- Rinse & Dry: Rinse thoroughly and dry with a premium microfiber drying towel.
PRO TIP: For maximum safety, pair Pearl with a grit guard and a plush wash mitt. Its high lubricity makes it ideal for frequent maintenance washes on coated vehicles.
Dilution calculator
Pick your container and your ratio, and read off how much concentrate to pour.
A foam cannon does not spray its bottle. It draws from the bottle into the pressure washer's flow, so a 1 L bottle can put 11 L on the car and the ratio in the bottle tells you nothing about what reaches the paint. Measure your setup once and the number holds for every product that quotes a PIR.
Nothing matches that. Check the product's own page for its ratio.
Common questions
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Parts water to one part product. A 10:1 mix is ten parts water and one part product, so a 1 L bottle takes 91 ml of product and 909 ml of water. A few brands print theirs the other way round, so check the label if a number looks unusually strong.
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Water first, then the concentrate. Pouring concentrate into an empty bottle and topping it up makes it foam over the top, and you lose some of what you just measured.
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Most diluted products keep for a few weeks in a sealed, labelled bottle out of sunlight. Write the product and the ratio on the bottle. An unlabelled trigger bottle is how the wrong chemical ends up on someone's interior.
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Panel Impact Ratio is the concentrate as a percentage of everything leaving a foam cannon, the bottle water and the pressure washer water together. It matters for snow foam and pre-wash only, because a cannon draws from its bottle into the washer's flow rather than spraying the bottle.
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A syringe or a measuring jug with millilitre graduations. Capfuls vary by bottle and by how full you fill them, and at 256:1 a few millilitres out is a noticeable change in strength.