For the past two days I showered using body wash and LEF shampoo and noticed a steep decline in phero reaction and also noticed attribution of my phero signature to other people. Today using the no soap shower routine it's back to the proper attribution of my signature to myself. But I know that I need body wash and LEF/Nioxin shampoo to remove sticky pheros or risk build-up but the reactions are so much better when I don't use any soap.