Head And Shoulders Shampoo
April 20, 2012 by staff
Head And Shoulders Shampoo, Did you know the best-selling shampoo in the world is Head & Shoulders? About 110 bottles of the anti- dandruff formula are sold every minute – 29?million a year. Yet the medicated shampoo market’s size is hardly surprising: at some point, half of us will suffer the unsightly, sometimes uncomfortable condition.
But what causes dandruff? Which of the many products available should you use? And what about theories that these shampoos are bad for the hair, and actually promote flakes? Here experts answer some key questions about problem scalps?.?.?.
Many of us will have looked down in horror at a fine sprinkling of white flakes on the shoulder of a dark top. But many forms of dandruff do not shed.
Dandruff is characterised by the formation of fine, white or greyish loose skin scales. The epidermis (outer layer of skin) constantly changes and skin cells renew themselves all the time. The cells begin to grow from the base layer deeper in the skin and are gradually pushed to the surface, before coming away from the scalp.
Dandruff occurs when skin cells form too fast, meaning more skin cells are shed and become clumps that can be seen by the n*ked eye.
‘This increased epidermal turnover may be caused or exacerbated by abnormally high levels of a fungus called malassezia globosa, which is a type of yeast and is always found on the scalp, even in those without dandruff,’ says trichologist Tony Maleedy.
Des Tobin, Professor of Cell Biology at the University of Bradford, agrees: ‘This yeast is strongly implicated in dandruff, though the nature of this relationship between the two isn’t completely clear.
‘It may introduce an inflammatory immune response in some people because the yeast produces enzymes capable of causing the scalp’s surface cells to increase their shedding rate.’
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