Vagina is not a sterile environment, and the balance of its microecological environment has a certain defensive effect on the invasion of external microorganisms. The normal pH value of vagina is between 3.8 and 4.4, and this weak acidity itself is a kind of protection for vagina. In addition, the vagina is usually in a closed state and has strong self-defense ability. Although mint is indeed alkaline, sanitary napkins are placed near the vaginal opening, and little menthol can enter the vagina, so there is no need to worry about causing harm.

In addition, some people are afraid that the cold feeling produced by mint sanitary napkins will cause "palace cold", leading to dysmenorrhea and irregular menstruation. In fact, "palace cold" refers to the symptoms of dysmenorrhea and less menstrual flow; The main cause of dysmenorrhea is excessive secretion of prostaglandin during menstruation, which leads to excessive contraction of uterine smooth muscle and vascular contracture;

Hypomenorrhea is related to endocrine disorders and endometrial thinning caused by induced abortion. First, menthol has no sex hormones and will not affect endocrine; Secondly, menthol that can diffuse from the surface of sanitary napkins into the uterine cavity is very small, so it is impossible to affect the intrauterine environment.

Extended data

Precautions:

Although cool sanitary napkins are not harmful to health, some sanitary napkins are exaggerated to promote their health care effects. Fragrant or cold sanitary napkins can only make people feel relatively comfortable;

There is no health care function. If there are symptoms such as pudendal discomfort, itching and peculiar smell, you should see a doctor as soon as possible for corresponding examination and treatment.

People's Network-Women's Health Care: Cool sanitary napkins will not hurt the body.