After cleaning, a second layer of less visible dirt remains. This is easily removed with Clay products. Read in this 'Insight' why you should clay your paintwork.
When Should You Not Clay Bar A Car? How to use a Clay Bar
How to Remove Scratches From a Car's Paintwork - Cartec World
When should car paint be clayed? - Cartec World
The Importance Of Using A Clay Bar On Your Car Paint
Cartec Iron Wash, the Perfect Fallout Remover - Cartec World
Cartec Essentials Selected for Car Lovers
Everything you need to know about a car wash (part 2) - Cartec World
6 steps for perfectly pre-cleaning the car - Cartec World
Cartec World
Ultimate Guide to Car Clay Bar: Step-by-Step Instructions for a Showroom Shine
Cartec World