Scroll down the page. There is a lot of Q and A on Essence Plus. Also info and dilution instructions for Ech2o.
http://www.carpro-us.com/coatings-sealants-spray-wax/carpro-essence-plus-16oz/
http://www.carpro-us.com/latest-products/carpro-ech2o-concentrate-sample-50ml/
http://www.carpro-us.com/coatings-sealants-spray-wax/carpro-essence-plus-16oz/
http://www.carpro-us.com/latest-products/carpro-ech2o-concentrate-sample-50ml/