Practice for Parturition: Does Sexual Activity Improve Labor and Birth Outcomes? Archives of Sexual Behavior Springer Nature Link Dyspareunia: What Is It, Causes, Signs, Symptoms and More Osmosis Lubrication in the Body What is lube? Personal lubricant is used during sexual activity to decrease friction but it comes in several formulations. The primary benefits of using lube include: It improves condom barrier safety by preventing Did you know that as well as making sex feel great lube (or lubricant) makes sex safer? It reduces the risk of damage to the vagina or anus, and makes condoms work Fluid Lubricates Joints Biological Strategy AskNature