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Rain-X 620073 - Car Wash Deep Cleaning, High Foam Soap Provides Spot Free Shine with No Towel Or Hand Drying Needed - Car soap for car cleaning and detailing 48 fl oz

TLDR Review: Rain-X Car Wash Soap

By ShopSavvy Team

Published: May 4th, 2025

Pros

•Effectively washes dirt off the car with minimal product, creating a substantial amount of suds.
•Prevents water beading, enabling a quicker, sporee drying process.
•Ideal for winter washing when drying can be challenging due to cold temperatures.
•Water sheets off easily, reducing the need for towel drying and leaving vehicles with a brilliant shine.
•Proven effective on both older model cars and trucks, leaving a smooth, silky feel during washing.
•Offers a lot of washes from a single bottle, making it economical.
•Trustworthy brand known for quality car cleaning products.

Cons

•Did not provide a sporee finish on black cars.
•Leaves a streaky residue on paint and glass, requiring additional scrubbing to remove.
•Fails to effectively lift dirt off, resulting in numerous spots and a dirty film.
•Overall cleaning performance can be disappointing for some users.
•Packaging claim of no drying needed may not always hold true; light drying can enhance appearance.

Bottom Line

Rain-X 620073 car wash soap is a reliable choice for many due to its ability to produce a brilliant shine and effective dirt removal for a wide range of vehicles. However, users with darker cars may experience streaking and residue issues, making drying a necessary step for the best finish. While the product excels in ease of use and economy, it's not perfect for everyone.

Lowest at any Popular Retailer

$7.97 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 33 retailers to give you the short version.