Risk Factors

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Certain risk factors that may contribute to dandruff:

  • Severity increases during winters
  • Yeast infection (Pityrosporum ovale), is an important cause of dandruff especially in people with low immunity (immuno-compromised) like AIDS patients.
  • A familial predisposition may be seen in some cases.
  • More common in infancy (first 2 months) and in elderly people.
  • People with oily hair tend to have dandruff more often
  • Common in puberty
  • Diet deficient in  vitamins especially vitamin B complex
  • Other factors that make dandruff worse are:
    • Excessive use of hairsprays and gels.
    • Improper use of hair-coloring products or excessive use of electric hair curlers
    • Cold weather and dry indoor heating.
    • Tight fitting hats and scarves.
    • Infrequent shampooing of the hair or inadequate rinsing.
    • Stress and anxiety
  • Drugs like Arsenic, Gold, Methyldopa, Cimetidine, Neuroleptics
  • Neurological abnormalities like facial paralysis, polio, parkinsonism.