The application of warm compresses or warm herbal compresses to the scrotum and testicles is typically used to relax the area and to stimulate the blood circulation into the genitals.
In addition, warm compresses can be used as a warm-up and relaxation technique before massaging the testicles or to soothe discomforts or aches.
When a compress contains herbal ingredients the additional aim is to supply specific nutrients to the skin, scrotum and testes for healing purposes.
Some traditional massage therapies that treat the testicles actually use herbal compresses quite extensively in their sessions, such as is common in Thai Japkasai Testicles Massage.
Cold compresses may also be used. In this case, it’s often applied to ease swelling and inflammations in case of an injury of the testicles.