The ComfiGel water soluble lubricating gel is available in a range of convenient of sizes and is useful in many gynaecological examinations. Features May be used where a water soluble, non-staining lubricating jelly is indicated Non-irritating to the skin, tissues and mucus ...The ComfiGel water soluble lubricating gel is available in a range of convenient of sizes and is useful in many gynaecological examinations. Features May be used where a water soluble, non-staining lubricating jelly is indicated Non-irritating to the skin, tissues and mucus membranes Does not affect surgical instruments, rubber or plastics Comfigel 42G Tube Water Soluble Lubricating Gel.