Slippery Stuff personal lubricant is a unique silken gel that aids in sensor insertion while increasing conductance without leaving a sticky residue. Slippery Stuff is a hygienic, water based and water soluble, odorless, long lasting and latex compatible product. Slippery Stuff was formulated to match the body's own natural lubrication. For over two decades doctors and sex therapists have recommended Slippery Stuff to their patients, knowing it's a healthier choice.