what causes skin on the inner thigh to turn black in color?
<answer> Hidradentis suppurativa, folliculitis, abscess, molluscum contagiosum or warts (caused by STDs), and Hormonal imbalance in women. <context> Hormonal imbalance is a common cause of black inner thighs to some women. You can easily tell that the cause is hormonal imbalance if they darken during some stages when there is a lot of hormonal changes such as during your monthly cycles, lactation or pregnancy.