What is the cause of male penis redness?

1, friction

friction can stimulate sensitive glans skin, leading to accelerated blood circulation, local temperature rise, and then cause redness. Secondly, glans skin itself is relatively sensitive and delicate, if excessive friction or in dry conditions, may lead to skin damage, causing redness.

2, allergy

Some people are allergic to specific substances, such as detergents, condoms, drugs, etc., after contact may appear allergic reaction, leading to glans redness and itching.

3, glans

inflammation

with glans inflammation, due to inflammation of local tissue stimulation, can lead to its congestion, edema, resulting in the above performance.