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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.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Scales of dry sebum formed on the scalp in seborrhea.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


loose scales of dry dead skin shed from the scalp
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
"Dandruff caused by low humidity typically is no big deal," says Dr.
Eat healthily: Some fatty, salty or sugary foods like cheese and chocolate can trigger dandruff, as well as not consuming enough foods that contain zinc, vitamin B and omega 3.
Dandruff typically does not require the care of a doctor.
The examination revealed fossilized dandruff samples or tiny flake-like stuff in the feathers of all the animals, with four-winged Microraptor being the oldest among all.
Dr McNamara said: "The fossil dandruff is almost identical to that in modern birds."
People with dry skin are more likely to have dandruff. Cold winter air combined with overheated rooms is a common cause of itchy, flaking skin.
Over-the-counter products currently prescribed include remedies for dandruff, indigestion, mouth ulcers and travel sickness.
"For the three in 10 women who suffer from dandruff, they are often conflicted, as they feel they cannot get the nourishment they need for healthy, beautiful strands while also having an effective da ndruff solution," Cande lino told Happi.
"Historically women with dandruff have been using medicinal shampoos to combat dandruff and then use 'beauty' conditioners to attempt to gain back the moisture and shine lost from their hair," commented Dr.
Herbal ingredients used in this ayurvedic dandruff treatment are: