cradle cap 
noun [mass noun]
A skin condition sometimes seen in babies caused by excessive production of sebum, characterized by areas of yellowish or brownish scales on the top of the head.Use a soft bristle baby brush, tooth brush, or combs to comb your baby's hair with every bath if your baby has cradle cap....
- In very young babies there's a kind of eczema called cradle cap, where there's scaling on the scalp.
- If the patch of cradle cap is large and thick, first try softening it by rubbing on warm mineral oil.
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