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Review title: Greasy and Smelly
Product review: There must be a science to it. When I iniitally tried it, it worked. However, when I tried it a second time it would not. When I rub my fingers for several minutes it finally worked. It smelly and it leaves a greasy residue on your fingers. This is a waste of time. Please don't expect a cloud of smoke. If you blink you may miss it.
