Can selsun blue cure my scaly scalp. I have eczema?

Seb Derm. Seborrheic dermatitis (seb-o-ree-ik der-muh-ti-tis) is a common skin disorder that mainly affects your scalp, causing scaly, itchy, red skin and stubborn dandruff. Selsun blue will help seborrheic dermatitis which is what you have.