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 Amazon.com: K Y Liquid Lube, Personal Lubricant, NEW Water Based Formula, Safe for Anal Use, Safe to Use with Latex Condoms, for Men, Women and Couples, Body Friendly 4.5 FL OZ (2 Pack) : Lube 101! This post goes over the basics of different kinds of lube! Have any questions? Come talk to a Peer Health Educator in RWC 127! Lube and condoms are the baddest besties. Lube increases pleasure, makes condoms feel better, and prevents them from breaking or falling off. Condoms work to protect you from both pregnancy and STIs.