Our formula provides prescription strength flake protection (vs prescription dandruff shampoo 2% ketoconazole) and removes oil and flakes to relieve dandruff symptoms. Clinically proven to protect against flakes and dandruff, our 2 in 1 shampoo + conditioner is a great remedy for an oily scalp. Clinical Strength Dandruff Defense Advanced Oil Control is infused with refreshing citrus. Soothe your scalp and hair for a healthy, vibrant look you’ll love.