Zaino has a claybar that is the best I have used. On our black cars when use 2 zaino products after polishing them with 3M Ultrafina and a blue pad. We apply 3 coats of Z5, then the next day 3 coats of Z2, then the next day 3 coats of Z2. You can then maintenance the car with Z8. This process really makes a black car shine.
Plus the protecting factors of the Zaino you DO NOT wash it after it's applied. If you get mud/dirt on the car wet you hand and gently wash the debris away. Blow the paint dry and apply the Z8.
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