An itchy scalp is merely a symptom. If changing your shampoo doesn’t help, a diagnosis needs to be made by a dermatologist.
To learn more about hair and scalp hygiene, explore responses from dermatologists and allergists to questions submitted by internet users during chat sessions organised by Bioderma.
It may be eczema, a rash (allergy) or a simple irritation. If it is an allergy, a doctor will diagnose it and may order tests. If it’s a simple irritation, you may just wish to switch your hair colour product or your shampoo.
Psoriasis is characterized by thick, scaly, clearly defined patches. Seborrhoeic dermatitis is more widespread and also often affects the face. A dermatologist is the best person to decide which of the two is present. However, a same person may suffer from both of these conditions at the same time.