Maybe one of these similar products would be of interest:-

3E Car Shampoo Maxi-Suds Car wash Snow Foam Cleanser, Concentrated Car Soap 8 oz

CARPRO Reset - Intensive Car Shampoo Wash, P-Neutral Shampoo - 4 Liter (135oz)

Cleaning Car Wash Concentrate SONAX XTREME Shampoo 2 in1 Car Shampoo 1L

IGL BLIZZARD Hight Foam Car Shampoo, Foam Gun Shampoo, Ceramic Coating Shampoo

Chef Chemistry NanoMagic Shampoo - Car Shampoo 750ml + XL 3in1 Washing Glove Blue