Large, greasy, yellowish, brownish scaly patches on the scalp
Redness of the affected area
Dandruff-like flakes of skin on the scalp
Crusty yellow areas on the scalp
The exact cause of cradle crap is not known, however it can be caused by overactive sebaceous glands and/or fungal infection. (The sebaceous glands are found in the skin and produce oil like substance (known as sebum)).