Gtechniq Gwash 500ml GWash – Supreme dirt removal – pH neutral – Cherry fragrance Why use Gtechniq GWash? GWash has been specifically formulated to work in harmony with the Gtechniq range of coatings. One hundred percent biodegradable, GWash produces a high foam content which breaks the bond between the dirt film and your vehicles paintwork. The shampoo lubricates dirt particles, minimising surface abrasion, maximising gloss retention. Application instructions – Shake well before use – Use out of direct sunlight – Add two caps (20ml) for light dirt, or four caps (40ml) for heavy dirt, into an empty bucket – Fill bucket with water, for best results use warm water – Always begin washing the upper surfaces of your car and work downwards – After use, rinse your car thoroughly with clean water to remove all surfactants – Store in a cool, dry place – Use within 12 months of opening