Some baby’s scalp will appear some scaly, yellowish greasy patches, looks very unattractive, some parents will be unusually nervous, worried about whether the baby is any serious skin disease, in fact, the baby’s scalp patches is “scab”, also known as “cradle cap “, medical also known as seborrheic dermatitis, “cradle cap” what is the reason?” Cradle cap” need to deal with? What is “cradle cap”? “Cradle cap”, also known as “crust”, is a common baby skin problem that develops during the first few months of life and is mainly characterized by scaly or flaky, yellowish, greasy patches on the scalp. It usually affects the scalp, but sometimes it can also affect the baby’s face or groin. What is the cause of “cradle cap”? The exact cause is still unclear, but it may be due to the baby being stimulated by the mother’s hormones while in the womb, causing the sebaceous glands to overproduce and produce too much oily material from the sebaceous glands, and having apoptotic skin cells sticking to the scalp, forming the “cradle cap”. Family has “eczema history” of the baby more likely to appear “cradle cap”. Although “cradle cap” looks bad, it is not harmful to the baby, does not cause pain, and usually gets better on its own, usually lasting only a few months, and will mostly disappear on its own by the time the baby is 1 year old. What do parents need to do? Parents can try applying some vegetable oil (such as olive oil) or massage oil to the plaque to soften the “scab” for a few hours or simply wait overnight and then use a soft-bristled toothbrush or brush to gently brush the softened “scab” off the scalp. You can also try washing your baby’s hair with some baby shampoo to prevent scabs from forming again. However, remember not to force the scabs off, as this may cause local bleeding and pain to the baby. When do I need to take my baby to the doctor? Parents should take their baby to the doctor if there is no relief after trying the above methods, or if the rash appears on other parts of the baby’s body.