27 years old female. 3 years back one small red sore was developed on scalp which was giving scaly patches. Slowly it got spreaded to almost all scalp and full of scaly patches causing itching. There are red sores as well across the scalp. A white patch kind of thing can be seen on forehead also where hairline begins. These kind of patches are also there in other places 9f the scalp as well. Attached image of forehead with scaly patches. Applied turmeric to head so yellow in colour. What this is. Is this psoriasis?