Car shampoo can be any of these
KCX GSF
KCX Nano Magic
TAC System Mystic Bubble
CarPro Reset
NanoSkin Cherry Suds
NanoSkin bubble Bath
Chemical Guys Mr.Pink
Chemical Guys Honey Dew
3d pink soap
And for cloths
Go for maxshine, maxima, demnok, gyeon, carpo and chemical guys cloth
For interior you need an All purpose cleaner and a interior protectant
For All purpose Cleaner you can go for
Koch chemie mzr
Carpro multi x
3d super citrus
Or a specialized interior cleaner like pol star as mentioned by effaf bhai.
For interior protectant you can go for
Carpro perl
Nanoskin blue dress
Koch chemie top star
Tac system seal
Even get a bunch of detailing brushes which will come in handy.