Why does the vulva have white dirt?

Sometimes you will find a lot of white vulva dirt, slimy, a bit like greasy dirt. In fact, this is the vulva epidermal skin has some sebaceous glands secreted oil, it can be accumulated in the labia minora folds, after a long time is white oily dirt, this is normal, no problem. It is recommended that everyone bathe every night, especially when washing vulva, try to wash the place that can be opened, for example, just like male penis, if only wash the outside, do not open the foreskin too long, you can not wash the foreskin inside. Relatively speaking, the outer side of the female vulva labia minora is sometimes covered by labia minora, and there is white dirt in the folds, so wash it carefully when bathing, wash it clean, don't worry, this is not a disease.