Backdoor Water with the key ingredient comforting hyaluronan is a double-effect water-based anal lubricant created for men who prefer maximum moisture for anal penetration. This performance enhancing personal lubricant is hypoallergenic, latex condom safe, and ideal for daily use. Medical grade ingredients and unique formula make it his most comforting water-based anal lubricant. Developed for him:- provides superior lubrication- enhances performance- and latex condom safe. From Pjur.