What's wrong with female urethra lipstick?

The main reasons for female urethral lipstick include local friction, allergic reactions, urethritis, etc.

1, local friction

If women wear tight underwear for a long time, it may lead to friction at the urethral orifice, causing local damage and inflammatory reactions, causing redness at the urethral orifice.

2, allergic reactions

If women are allergic to lotion items, causing allergic reactions, releasing chemicals, acting on urethral orifice tissue, causing redness.

3, urethritis

Women with urethritis due to inflammatory reactions stimulate urethral orifice mucosa, causing congestion, swelling, causing abnormal expansion of blood vessels, blood flow gradually increased, so that the urethral orifice site redness.