There are four types of personal lubricants: silicon-based, water-based, oil-based and mixed. Silicon-based lubricants are generally thicker, smoother, and have a longer lifespan, while water-based lubricants, as the name suggests, are mainly composed of H20, so they are easy to wash off and leave no residue. “Using lubricants can increase the feeling, make everything smoother, and reduce any undesirable friction …