Pjur BACK DOOR Water-based personal lubricant feels like silicone thanks to added hyaluron. Hyaluron has the unique ability to bind large amounts of water and plays a key role in ensuring this product's intensive lubricating effect. Silicone fans will be surprised at pjur BACK DOOR Water-based and how similar it feels to a silicone-based product. It combines all the benefits of a water- based personal lubricant with extremely long-lasting lubrication. Safe for use with all types of erotic toys. pjur formulas are Dermatologically tested.