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Rain-X

Spot Free Car Wash

$1.15COST/WASH

A ready-to-use acidic car shampoo featuring specialized rinsing polymers designed to create water sheeting for spot-free air drying without towel drying.

Key Chemistry

pH Level

4.5

Active Mechanism

amphoteric surfactant cleaning

Surfactants

1 (amphoteric)

Expert Analysis

This product uses a mild amphoteric surfactant system at acidic pH to provide cleaning while remaining gentle on protective coatings. The unique approach incorporates specialized rinsing polymers that modify water behavior during the rinse phase, causing water to sheet off surfaces rather than beading, which eliminates water spots during air drying.

Key Differentiators

  • Specialized rinsing polymer technology that modifies water behavior for spot-free air drying
  • Acidic pH formulation (4.5) that's gentler on wax and sealants compared to alkaline shampoos

Potential Concerns

  • Only two disclosed ingredients may indicate limited cleaning power for heavily soiled vehicles
  • Acidic pH may be less effective at breaking down alkaline contaminants like road grime

Ingredients

2 disclosed
WATER60 - 100
CAS: 7732-18-5Base/Solvent
COCAMIDOPROPYL BETAINE10 - 30
CAS: 70851-07-9Surfactant

Source: sds only

Safety Profile

Signal Word
None
Eye Hazard
May cause eye irritation with susceptible persons
Skin Hazard
No known hazard in contact with skin
Corrosive to Metals
No
Flammable
No

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