The original polymer detailing clay introduced over twenty years ago and still producing flawless results for the industry. Used mainly by professional outlets primarily as this is where they were first introduced they have retained a following despite more recent products being introduced into the market place. The purple clay is a more aggressive version of the grey counterpart.
Please note that using this product on a surface that has been treated with the Diamondbrite Paint Protection will probably remove the protection. Just apply Diamondbrite Seal and Shine to the area and this will keep the paint protected. Seal & Shine Protective Glaze Sealant for Cars, Motorcycles and Boats (diamondbrite.co.uk)