Our formula provides prescription strength flake protection (vs prescription dandruff shampoo 2% ketoconazole) and provides soothing relief from dryness. Clinically proven to protect against flakes and dandruff, our shampoo is a great remedy for a dry scalp. Clinical Strength Dandruff Defense Dry Scalp Rescue shampoo is infused with manuka honey and provides relief for dryness. Nourish your scalp and hair for a healthy, vibrant look you’ll love.