How to Con­trol Dan­druff

Reader's Digest International - - Contents - BY DILIA NARDUZZI

ES­TI­MATES VARY, but between 10 and 50 per­cent of the pop­u­la­tion suf­fers from dan­druff at some point in their life­time. Marked by an itchy, ir­ri­tated scalp and the ob­vi­ous flakes that come along with it, you know dan­druff when you see it. But what is it ex­actly, what causes it, and what can you do to con­trol it?

“The med­i­cal term for dan­druff is se­b­or­rheic der­mati­tis, and it’s a type of in­flam­ma­tion of the skin that’s as­so­ci­ated with oily or greasy scales,” says Dr. Peter Vign­je­vic, a der­ma­tol­o­gist in On­tario, Canada, and an as­sis­tant clin­i­cal pro­fes­sor of medicine at McMaster Uni­ver­sity Med­i­cal School. While it most of­ten af­fects the head and scalp, it can also oc­cur on the eye­brows, eye­lashes, eye­lids, on and around the nose, the ears and some­times be­hind the ears, says Vign­je­vic. In men, beards can also be af­fected.

These scaly white flakes can be em­bar­rass­ing

Core Causes

Over the last cen­tury, med­i­cal opin­ion has shifted re­gard­ing the rea­sons for se­b­or­rheic der­mati­tis, says

Dr. Rod­er­ick Hay, a con­sul­tant der­ma­tol­o­gist and pro­fes­sor of cu­ta­neous in­fec­tion at King’s Col­lege in Lon­don, Eng­land. Early 20th cen­tury medicine pin­pointed a fun­gus on the skin as the cul­prit, but in the 1950s

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