Personal lubricants or "lube" are lubricants used during sexual acts, such as intercourse and masturbation, to reduce friction between the penis and vagina, anus or other body parts. Personal Lubricants can also be applied to sex toys to reduce friction or to ease penetration. There are several types of lubricants such as: Water-Based, Silicone-Based, Oil-Based, and Silicone/Water Hybrids.