Darkening of the labia is generally not a natural color change, if it is caused by vulvar nevus can be treated by laser or electrocautery and other ways.
Labia color generally darkens with age, sex or clothing friction, hereditary factors, etc. It is a natural physiological development process, labia color does not change naturally, and can be left untreated if it does not affect the aesthetics.
If the darkening of labia is caused by vulvar nevus, etc., which will not change color naturally, it can be treated by laser surgery or electrocautery surgery.
For patients with darkened labia, daily attention should also be paid to keep the vulvar area clean and hygienic, change underwear frequently and wear more cotton underwear to avoid too tight clothing and constant friction, which will increase pigmentation.