Dandruff is one of the most common scalp problems that people are facing today. It has been observed that one out of every three people has dandruff. It is medically referred to as seborrheic dermatitis and can be caused due to a number of reasons. It can be dry or patchy, and in extreme cases, it causes severe itching. White scales are formed on the scalp which may settle down on face, eyebrows, clothes, shoulders, etc. Before moving on to its solutions, let us first understand the causes of dandruff formation.