The first test was a bit disappointing because I had the impression that there is still too much shade remained. But a second application then gave the spot the rest. Important: You must exactly to the statement hold - spraying, wait 30 seconds and rub immediately. There was only one problem. The stain removal results in a significant refresh of the cover so that the treated area afterwards looks better than the spotless points. It is therefore quick to undergo all the cushion a treatment. Dan is the bottle but also quickly empty - the coverage is limited on stubborn stains (hence a point tightening).