how to clean hidden cache on Android

I am using ccleaner already for years opn my laptop. Now I have it on my tablet too, but can't find out how to ensure the hidden cache is cleaned too.

Can anyone tell me which steps I should take?

I'm no techie, just an end user.

ANALYZE disk

It will show

HIDDEN CACHE as one of the items.

Click " FINISH cleaning"

It will clean everything you checked.

To BE SURE it happened, just close app, reopen and you'll see that it's all gone.

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