WhatToExpect.com writes: Cradle cap is fun for no one, least of all your baby. The good news? It won\u2019t hang around forever, and rinsing baby's scalp with a cradle cap shampoo can help ease symptoms. A pesky \u2014 but harmless \u2014 skin condition, cradle cap, also known as seborrheic dermatitis, usually comes and goes within the first 6 to 12 months of a baby\u2019s life, presenting itself in the form of dry, flaky patches on the scalp. And while some babies may take longer to shake it than others, it will likely be gone by 6 months to a year at most. You can read the complete review here!