You may have noticed that your scalp started to itch during pregnancy or postpartum. With hormone levels raised our scalps become engorged with liquids and this can cause a tingling, painful sensation in the nerve along with severe itchiness. Sebum is the oil produced on our scalps and the increase in hormones can cause it to increase as well. Those with greasy scalps postpartum are also more prone to sensitivities that include itch, and even some pain, as the hair shaft can become plugged. Getting sebum production under control is important for relieving itchiness, and here's how to do it.