No clay, fallout remover, tar remover or polish in between those?
Assuming he's not on about topping up?
Will be the second one for now until I've done more research and get the time to do it. i4detailing a website?
How you get the discount bud? Looking at buying a few items from them 2bh.I4d is a trader on here that provides discount to CS members
Gyeon bathe + is a shampoo with sealant properties so it adds protection and water behaviour that will help keep the car cleaner.
http://www.i4detailing.co.uk/shop/gyeon-q2m-bathe-plus-si02-shampoo.html