Dandruff is considered to be caused by bad habits, seborrheic dermatitis, psoriasis and other reasons.
1. Bad habits: If you have bad habits in your daily life, such as staying up late, drinking alcohol, consuming spicy and stimulating food, etc., it may lead to exuberant secretion of oil from the scalp, forming large pieces of dandruff.
2. Seborrheic dermatitis: due to genetics, immune disorders, microorganisms and other factors, it is a chronic inflammatory skin disease, if the scalp is sick, it will show chaff-like flaking, and large pieces of dandruff and so on.
3. Psoriasis: due to genetics, immunity, pathogen infection, mental stress and other factors, when the scalp is suffering from psoriasis, there will be thicker scales and large pieces of dandruff.
If the above symptoms occur, it is recommended that patients seek medical attention in a timely manner to clarify the cause of the disease, under the guidance of the doctor for targeted treatment.