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 Do not use these items as lubricants': Experts warn against using coconut oil, body lotions, and even saliva during intercourse Is Coconut Oil Safe as Lube? What You Need to Know Playground Coconut Oil for Sex: As Lube, Safety, More B&B Organics