Amazon offers the Chemical Guys Mr. Pink Super Suds Car Wash 16-oz. Bottle, model no. CWS_402_16, for $6.75. Add it to your cart via Subscribe & Save to drop it to $5.74 and bag free shipping. That's the lowest total price we could find by $8. This pH-neutral wash is designed to be used for weekly maintenance and won't remove car wax.
Be sure to cancel Subscribe & Save after your order arrives, or you'll be billed for subsequent shipments.