Why do womens nipples turn black? Is it normal for nipples to turn black?

We must not use the color of a woman's nipples, areola, and labia minora as a basis for judging whether there is sexual activity. This judgment is unscientific. For women with high estrogen levels wand vibrator , blackening of the nipple, areola, and labia is a healthy female sexual characteristic. So why does the color of female nipples turn black?
Estrogen changes
The main reasons for the blackening of the areola are cell aging, estrogen secretion, and melanin precipitation in the papilla epidermis tissue. During sexual maturity, the nipples will of course turn black. Blackening of the areola is a normal physiological phenomenon faced by all women.
Sexual promotion
Sexual behavior promotes sex appeal, strengthens the activity of the pituitary gland dildo vibrator love egg , and then secretes a lot of melanin, the sexual stimulant, from the anterior lobe of the pituitary gland. Gradually, the vaginal opening and vaginal opening and the inner and outer labia will also cause black halo.
Changes during pregnancy
Changes in women's breasts after pregnancy: The breasts become larger and firm and heavy at the beginning. The breasts will have a full and tingling feeling. Small particles on the dark yellow areola around the nipple are particularly prominent. Blackened nipples will have a more black luster.
hyperstimulation
Excessive sex life dildo machine , baby sucking breast milk, rubbing body with a sponge, likes to exfoliate, etc., and melanin precipitates.