Factors that could lead to the condition include:

• The exact cause is unknown.
• Excessive oil production from skin
• Infection by fungus known as Malassezia
• Poor skin care or hygiene
• Pollution
• Abnormal immune response
• Neurological conditions such as Parkinson’s disease
• Psychiatric conditions such as depression
• Stress
• Alcohol abuse
• Cold or dry season
• Weakened immune system as in patients who have undergone organ transplant, or have conditions such as HIV, cancer, etc
• Recovery from stressful medical conditions such as heart attack
• Certain medications

• Wash your scalp regularly with gentle shampoos
• Avoid harsh soaps for your skin
• Use moisturizers regularly
• Avoid use of hair sprays, gels, or other styling products
• Avoid skin and hair products with alcohol