Formulated on a base of scientific knowledge, the Tea Tree Oil Anti-Dandruff Treatment Oil is based on Tea Tree in a special mixture of oils and precious butters, to help eliminate dandruff. The oil has also been known to eliminate head lice. Every single ingredient in the formula works to refresh and rid hair of dandruff, leaving hair silly and soft. Free of synthetic additives and chemicals. Massaging hair with this nutrient-rich hair oil provides extra nourishment to the scalp and prevents dandruff.