Causes of Excessive Dandruff
Disease description:
My son is 22 years old this year. He washes his hair every day, but he has a lot of dandruff, which makes his hair look very dirty. He also often scratches his scalp. May I ask what are the common causes of excessive dandruff?
Doctor's answer (1)
Dr. Wang Xiaoyan
Dandruff is a problem that many people encounter in their daily lives, and it can be caused by several factors:
1. Improper hair care: Frequent scratching of the scalp, excessive combing, prolonged periods without washing the hair, and the use of strong or irritating cleansing products can all lead to dandruff.
2. Environmental factors: Prolonged exposure to environments with intense sunlight, high levels of dust, or dry climates may contribute to dandruff and may also be accompanied by increased oil production on the scalp.
3. Allergies: Dandruff can result from allergic reactions to substances such as dust, animal fur, or hair care products, and may also be associated with the appearance of rashes.
4. Medical conditions: Diseases such as seborrheic dermatitis and tinea capitis (scalp ringworm) can cause significant dandruff. These conditions are typically related to bacterial or fungal infections.
