Washing the glans with any liquid will not reduce the sensitivity of the glans.
Most of the time, the over-sensitivity of the glans is caused by the long foreskin. Prolonged sensitivity of the glans is likely to cause premature ejaculation and even male infertility.
If you have a sensitive glans caused by a long foreskin or prepuce, you need to do circumcision of the foreskin to expose the glans to the outside, which can effectively reduce the sensitivity of the glans. You can also take 5-hydroxytryptamine reuptake inhibitors, such as sertraline and paroxetine, under the guidance of your doctor. Or local topical anesthetic, applied to the glans before sex, to reduce glans sensitivity.
Once the phenomenon of glans sensitivity is particularly serious, it is best to go to the male department or urology department of the regular hospital to do targeted examination, according to the degree of illness by the doctor to choose the best treatment plan. Daily life wear underwear is best to choose cotton, loose, can effectively reduce the friction on the glans area.