Originally Posted by hotreds

Not really. To really clean the sensor, you still need to use one of the products mentioned here. I used to use the swabs with solutions that were available, but it seems that the 50D sensor would get destroyed using the same liquid as the 40d sensor cleaner. Better to use a non-liquid. You gotta remember that the sensor is not THAT fragile, it can be cleaned if you're careful. And, it DOES need to be cleaned every now and again unless you want to spend hours cloning away dust spots!