Men are advised to just use water for effective washing of the penis and foreskin, which is the best solution. Because water has no stimulating effect on the entire genitalia, it is generally not recommended to routinely use cleanser, gynecologic cleanser, compound cypress lotion to clean the penis and scrotum. Because of these chemical products, it has a certain destructive effect, easily leading to poor sensitivity of the glans, and because of the long-term use of chemical lotions, easily lead to the body’s immune function to resist external reactions become worse. If there is inflammation only recommended to use a variety of anti-inflammatory function of the lotion, usually wash clean with water, do not recommend excessive use of soap, body wash, etc..