Itchy scalp without dandruff may be caused by seborrheic dermatitis, contact dermatitis, poor cleaning and other factors.
1. Seborrheic dermatitis: related to various factors such as exuberant oil secretion, microbial infection, etc. It can be manifested as erythema, greasy scales with itching, or sometimes no scales, only itching.
2. Contact dermatitis: for example, the use of irritating shampoo or allergy to certain drugs, shampoo ingredients, so that the scalp area has contact dermatitis, will lead to itchy scalp, but there is no dandruff, can be accompanied by redness, itching and other symptoms.
3. Poor cleaning: frequent exercise or hot weather, do not clean the scalp in time can appear itchy, no scaly performance.
Itchy scalp without dandruff, it is recommended to go to the hospital dermatology department for examination and treatment to avoid adverse effects.