Reduction Yam cream is a new generation of "Wholesale body lubricant", with water-based water-soluble substances. Reduction Yam cream simulate the human body's natural endocrine liquid viscosity and body secretions similar excitement, PH value is consistent with the in vivo environment, a colorless, odorless, tasteless, no greasy feeling, safe and convenient. "Wholesale body lubricant" efficacy for different ages of women due to reduction in body secretions caused by: the body dry, painful intercourse, frigidity and postpartum body relaxation and other symptoms. Also available as marital sex life to achieve synchronization or women masturbation supplements or medical check lubrication, "Wholesale body lubricant" during catheterization, endoscopy instruments into the body dry examination of lubrication.