Why do women’s 3 private parts turn black?

　　1. Labia

　　There are many interesting speculations about the darkening of the labia. For example, a woman’s labia becomes dark because of friction caused by walking.； Or because some lotions are not good. It seems that many lotions are corrosive.……

　　These statements are funny, but they are not scientific. In fact, female Darkening of the labia usually does not rule out the following causes:

　　1. Genetic reasons.

　　2. Sex life is too frequent.

　　3. Normal pigmentation. In other words, intercourse causes the labia to darken, including the vaginal opening and the inner and outer labia. During sexual intercourse, the labia are repeatedly stimulated by external friction for a long time, causing local pigmentation to increase, and the color will deepen over time. This is a normal physiological phenomenon. At the same time, melanin from sexual stimulation hormones will also turn the labia into a dark halo.