There are many shampoos that are widely offered to help relieve itchy scalps. The most common and effective chemical treatments in shampoos include zinc pyrithione, ketoconazole, zinc pyrithione, coal tar, salicylic acid and selenium sulfide.
There are also chemical-free remedies for itchy scalp that are just as effective. Tea tree oil, coconut oil, apple cider vinegar, baking soda, lemon and aloe vera are just a few common and easy-to-find items that can naturally soothe an irritated scalp. There are different causes of dandruff and itchiness, so it may take some trial and error to find the right solution for any individual.