SONAX Car Shampoo provides a brilliant, surfactant-rich formula. Thick lathering action and pleasant scent. SONAX Car Wash Shampoo is a highly effective, phosphatefree and pH-neutral formula that penetrates and loosens tough dirt without damaging or stripping the protective layer. The special anionic surfactants within, simultaneously adhere and distribute dirt leaves a brilliant, clean shine to your paint, rubber, plastic, vinyl and glass surfaces every time! Directions 50 mL (2oz) in 10 L (3 gallons) of warm water.