From your complaints it could be due to few causes which are seborrhoeic dermatitis which is most likely or could also be due to scalp psoriasis or adult onset atopic dermatitis. Kindly consult me online as you need to provide complete history and photos for proper diagnosis and treatment.
Next Steps
Consult online for adequate management of your case
Health Tips
Please don’t apply anything by yourself or through medical store. Consult dermatologist only.