Why do you still have dandruff after washing your hair? This is a question both men and women from all age groups wonder about when dealing with recurring dandruff. The thing is, there are a lot of reasons why this issue may continuously occur. As we age, the oils in our skin break down. The ones that build up on the scalp can cause excess dryness and flaking. It is a common misconception that dandruff persists only because of a lack of hygiene practices. Washing your hair alone would not get rid of nor prevent it. The bottom line is that there are other factors that cause the persistent appearance of dandruff even after washing your hair regularly. In this article, we will provide you with more insight into those factors.