WOW Skin Science Anti-Dandruff Hair Mask’s advanced formulation has Rosebay Extract to rebalance scalp’s microflora reduce oiliness of scalp and regulate scalp’s inflammatory response to slay Malassezia the dandruff causing fungus. It also has Tea Tree Essential Oil nature’s very own anti-fungal remedy that helps neutralize fungus on scalp. Also has Hydrolyzed Wheat Protein (gluten-free) to help repair damaged hair and Moroccan Argan Oil to add shine and bounce. This hair mask works by boosting scalp health and cutting out itching irritation or allergies.