When you first use PumpinPal silicone flanges, we recommend first trying them without any kind of lubricants on the flanges or your breasts. If you do want to use lubricant after trying without, be sure to use plenty. Many dish and body soaps contain “hidden” moisturizers and lubricants that can negatively affect the silicone’s ability to hold back the elastic skin.  The following is a list of soaps to use, and to avoid.