The embarrassing flakes and uncomfortable itching associated with dandruff affects nearly 50 million Americans to one degree or another. The most important thing to know about dandruff is that it is much more than unpleasant and cosmetically unappealing.
It is a health challenge and should be addressed as such. Dandruff is associated with oily skin and acne and like these health issues, it should be addressed at the level of the digestive system and nutrition. Look for and then eliminate problem foods and use a good probiotic supplement. And nutritional supplements.
The 5 most important being the B-complex, and Vitamin A, Zinc, Selenium and Omega essential fatty acids.