Human  Personal Lubricants are widely used to enhance the comfort level in intimate relationships, especially in situations such as vaginal dryness, oral sex or anal sex, where they can reduce the discomfort and damage caused by friction. Depending on the basic components, they are mainly divided into three categories: Water-based lubricant, Silicone-based lubricant and oil-based lubricant. Silicone-based lubricant is a …