What’s wrong with it is it red? Does it hurt?
Is it itchy? If so it might be Seborrheic dermatitis a common skin condition that mainly affects your scalp.
Treatment
tea tree oil, an essential oil that may help eliminate bacteria on the scalp.
salicylic acid, which helps to get rid of dead skin cells.
glycolic acid, which can help exfoliate the scalp, removing dead skin cells, bacteria, and sebum.
ketoconazole, an antifungal agent that may improve scaly or red skin.