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excessive flaking of skin from the scalp, apparent as dry or greasy diffuse scaling with variable itching. It is the sign of a skin disease, such as seborrhea or a fungal infection. Treatment requires the use of shampoos containing pyrithione zinc, selenium sulfide, sulfur and salicylic acid, or tar shampoo used daily until the dandruff is under control.



grayish white scaly material that is desquamated from the epidermis of the scalp. The formation of dandruff may be a normal occurrence or a symptom of such skin diseases as seborrhea.


Scales of dry sebum formed on the scalp in seborrhea.


loose scales of dry dead skin shed from the scalp
References in periodicals archive ?
Scalls has been visiting strange Chinese doctors in a bid to make the bench today.
To hear the scalls during the concert saying 'whose gerrin de ale in lads' is quite sobering.
There were high hopes that it wouldn't be just one moremovie about a Liverpool bursting with drugs, gangsters, washed-up could-have-been-contenders, chip-on-the-shoulder scalls and a run-down city bar culture policed by drive-by shootings and "you're dead, mate" ambassadors on dead end streets.