Does applying cooling oil on the glans have any effect?

Applying cooling oil to the glans generally has an impact, causing local irritation and pain.

Cooling oil is a relatively common topical medicine. Applying it to the local skin is likely to damage the skin tissue and numb the peripheral nerves of the skin. Since the skin of the glans is relatively thin, the use of numbing oil is likely to irritate the glans, causing pain and swelling in the glans. It is best not to apply cooling oil to the glans.

The main ingredients are camphor oil, cinnamon oil, menthol, etc. Its main function is to cool and dissipate heat, and can also improve skin itching. It is often used to treat mosquito bites.