Some lube does more than just get you ready for fun. the Adam & Eve - Liquids Tightening Serum 1oz works to help moisturise and tighten the vaginal tissue for ultimate pleasure. This serum is condom and toy safe and is also made with natural ingredients. It is safe for every day use and is perfect for those that want to try something different and might want to start off easy with an easy and fun to use lube.