I really like this product coming on IndieGoGo.
Maybe you, like me have tried the one-room-bag, or in best case tree-room-bag.
This one though, has 6 pockets, and some of them are even waterproof to avoid leaking shampoobottles from ruining the rest of the luggage.
Check it out here:
https://www.indiegogo.com/projects/best-toiletry-bag-for-traveling-by-gravel-travel#/