1) Odorless: fulfilled. Although the lotion has a certain odor, but this is also unobtrusive and not distributed throughout the interior. 5 Stars.
2) Matt effect: Some of the seats were etc. by Jeans become greasy and shiny. The goal was the original condition of the seats (matte black) to restore. If the lotion acc. Instructions for use, ie, leave on shortly and wipe off with a clean, dry microfibre cloth excess lotion, the effect almost as desired sets. A slight satin sheen remains, however, the result was acceptable and especially the Greasy had disappeared. 4 stars.
3) Processing: See point 2. Fast, easy and without special effort possible. The leather can be claimed immediately afterwards again. 5 Stars
4) cleaning: so far only used in normal traffic seats, so a couple of chocolate stains, seat tracks of jeans etc. - all without any problems! So Previously full score here as well.