Personal lubricants (colloquially termed lube) are specialized lubricants used during human sexual acts such as intercourse and masturbation to reduce friction to or between the penis and vaginaanus or other body parts or applied to sex toys to reduce friction or to ease penetrationSurgical or medical lubricants or gels, which are similar to personal lubricants but not usually referred to or labelled as "personal" lubricants, may be used for medical purposes such as speculum insertion or introduction of a catheter. The primary difference between personal and surgical lubricants is that surgical lubricants are thicker, sterile gels, typically containing a bacteriostatic agent.
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