Yellow greasy scales

Scales are the stratum corneum that are shed or are about to fall off. Greasy scaly usually occurs in the areas where sebaceous glands are abundantly distributed, with yellow-red patches, clear boundaries, symmetrical distribution, and conscious itching. It is a symptom of seborrheic dermatitis. It occurs on the basis of seborrhea and often spreads down from the head and is easy to recur.

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