McKee's 37 Xtreme Foam Formula Auto Shampoo creates mountains of thick, frothy foam. Use this thick, gel-like formula in a foam gun, foam cannon, or traditional wash bucket. McKee's 37 Xtreme Foam Formula Auto Shampoo helps prevent water spots thanks to its pH-balanced formula. McKee's 37 Xtreme Foam Formula Auto Shampoo is super concentrated, so only a few drops is needed to create a bucket of suds. High-lubricity polymers found in Xtreme Foam Formula Auto Shampoo remove dirt and grime so your wash mitt glides effortlessly across the surface, reducing any chance of inducing swirl marks and scratches.