Dandruff – the Most Commercially Exploited Skin Condition

Dandruff is a very common skin condition that causes the scalp to flake. Mild dandruff is a form of seborrheic dermatitis and is not usually a problematic issue. Moderate to severe dandruff may require a medicated shampoo like 2 % ketoconazole.

 What causes dandruff?

 1) Too much sebum (oily scalp).

2) A type of yeast called Malassezia. There are seven species of Malassezia   M. globosa, M. resticta, M. obtuse, M. slooffiae, M. sympodialis, M. furfur  and  M. pachydermatitis which have been recognized in dandruff formation. 

3) Why does this yeast overgrow? Immunosuppression, diabetes and high blood sugars, certain medications and antibiotic use can contribute.


Despite the elusive and idiopathic nature of dandruff, it remains a problem for great commercial exploitation.

Common medicated shampoos are:

  • 1-7% Zinc pyrithione (Neutrogena, Head and Shoulders and Dove)
  • 1-7% coal tar solution (Sebcur)
  • 1-2.5% Selenium sulfide (Selsun Blue)
  • 1-3% salicylic acid (Nizoral)
  • 05% Clobetasol and Ciclopirox (prescription only)
  • 1-2 % ketoconazole (Nizoral)

Ketoconazole is a broad spectrum, antimycotic agent that is active against both Candida and M. furfur. Of all the imidazoles, ketoconazole has become the leading contender among treatment options because of its effectiveness against seborrheic dermatitis as well.

Seborrheic dermatitis is also known as cradle cap in babies, but the treatment recommendations and dosing must be determined by your doctor.

To schedule a complimentary consultation or to book a treatment:

Please call 250.590.0883 or visit our online booking system.

Dr Anna Medical Aesthetics
#322 – 1964 Fort St, Victoria, BC. V8R 6R3

Dr. Anna Medical Aesthetics

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