Cleaning a sensor is a multi-step process. There's no single "correct" cleaning method.
See
http://www.cleaningdigitalcameras.com/ for more complete info.
That website is maintained by a professional camera repair tech who have done hundreds of cleanings and the author of many of the camera repair industry training and instruction manuals.
They also own and operate Micro-Tools.com, which is a supplier to the camera repair industry and sells virtually every type of sensor cleaning product. So they have experience with almost everything and base their recommended cleaning process on that.
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