CLEAN. Shampoo 16oz is a high-performance pH-neutral car wash soap designed for car enthusiasts and detailers who demand performance, safety, and environmental responsibility. Formulated with cosmetic-grade surfactants, CLEAN. Shampoo delivers superior lubrication and cleaning power while being gentle on your paint and protective layers. The wetting agents keep surfaces wetter for longer, making it easier to work in direct sunlight without water spots or streaks. This biodegradable shampoo is free from PFAS and forever chemicals, making it a safer, more responsible choice for your vehicle and the environment. Not just a wash—CLEAN. Shampoo is also highly versatile: Use it as a clay bar lubricant (0.5 oz in 32 oz water) Or as a bug pre-treatment (1 oz in 32 oz water) Whether you're maintaining a ceramic-coated car, waxing a show car, or doing weekly washes, this is the ultimate car shampoo to add to your detailing arsenal.