Washing the glans with cool water is fine, especially in the summer when many men take cool showers. If in the fall, winter or spring, it is recommended to wash the glans with warm water to reduce the irritation of the glans. Normally, it is recommended to wash with water to reduce the irritation of the glans. If you use various lotions to wash your penis and glans for a long time, it will easily lead to a decrease in the sensitivity of the glans and also lead to some damage to the local immune function. Usually just use water, when there is inflammation can use a variety of lotions, avoid reducing the use of various chemical lotions.