Amazon has 1-Gallon OPT ONR Optimum No Rinse Wash & Shine Version 5 Car Wash Soap on sale for $27.11. Shipping is free with Prime or orders $35+.

Thanks to Community Member Soopersoak for finding this deal.

Product Description:

• The Premium Car Wash Soap Alternative: Optimum No Rinse Concentrate only requires 1 oz per 2 gallons of water – enough to wash your entire car! The versatile formula can also be used as a clay bar lubricant.
• Increased Polymer Protection: ONR Rinseless Wash contains a blend of unique polymers that encapsulate and emulsify dirt, creating a barrier between dirt particulates and the automotive finish.
• Total Car Cleaning All-In-One: ONR safely cleans and protects all exterior surfaces, trim, wheels, and glass; and interior surfaces, including leather, upholstery, vinyl, dashboards, infotainment, and more.
• New Formula for Superior Shine: The new 2023 release of ONR No Rinse Version 5 formula provides increased lubricity, gloss, shine, and longer protection.
• Great for Indoor and Off-Season Detailing: Rinseless Car wash means you can detail from the comfort of your garage. Unlike traditional car shampoo, there are no soapy surfactants, so no rinse is required!
• Eco Friendly Car Wash: Rinseless car wash allows you to wash your car with minimal water usage. Great for water conservation in areas experiencing drought or water-use restrictions.