what causes dandruff in the hair

Dandruff can be caused by several factors, including irritated, oily skin, dry skin, a yeast-like fungus called Malassezia that feeds on oils on the scalp, and sensitivity to hair care products. Other skin conditions such as seborrheic dermatitis, eczema, and psoriasis can also contribute to dandruff. Additionally, not shampooing enough can lead to oil accumulation and dandruff. Factors such as cold, dry winters, stress, a weakened immune system, and certain neurological disorders like Parkinsons disease can also exacerbate dandruff. Therefore, maintaining good scalp hygiene, using appropriate hair care products, and seeking medical advice for underlying skin conditions can help manage and prevent dandruff.