Why do you have dandruff if you skip a day of showering?

Yes, dandruff can be caused by lack of showers. If you don't take enough showers, there is over activity of your oil glands. Shampooing daily will get rid of the oil and help prevent the dandruff. Therefore, if you don't take showers daily, you can't be shampooing daily, and therefore, your oil glands are producing more oil. Get the point? Also, some other causes of dandruff are: Stress, a high sugar intake, shampooing in hot water, low or no-fat diets, and blow-drying your hair.