$0.09COST/WASH
A concentrated alkaline car shampoo featuring sodium alkyl benzene sulfonic acid as its primary surfactant for high-foaming wash action on all vehicle surfaces. Rain-X High Foaming Car Wash ranks #1 for value among 122 car shampoos based on cost per wash.
Key Chemistry
pH
8.0–9.5
Active Mechanism
anionic surfactant cleaning
Surfactants
1 (anionic)
Expert Analysis
This concentrate relies on a single anionic surfactant (sodium alkyl benzene sulfonic acid) at a substantial 7-13% concentration to generate cleaning power and foam density. The alkaline pH of 8.8 helps emulsify oils and road grime while remaining gentle enough to preserve existing wax layers.
Key Differentiators
- •Exceptionally simple two-ingredient formula with full transparency - rare clarity in the car wash market
- •High concentration of primary surfactant (7-13%) delivers substantial dilution ratio of 1:128 for cost efficiency
Ingredients
WATER
≥60%
CAS: 7732-18-5Solvent
SODIUM ALKYL BENZENE SULFONIC ACID
7–13%
CAS: 68081-81-2Surfactant
Safety Profile
Signal Word
NoneEye Hazard
May cause eye irritation with susceptible personsSkin Hazard
No known hazard in contact with skinCorrosive to Metals
NoFlammable
No
