Verkkoinvigorate your hair with the best tea tree oil shampoo. Naturally cleanse and revitalize your scalp, leaving your hair feeling refreshed and deeply nourished. We researched dozens to find the best tea tree oil shampoos on the market. Verkkoinvigorate your hair with the best tea tree oil shampoo. Naturally cleanse and revitalize your scalp, leaving your hair feeling refreshed and deeply. Verkkotea tree oil is a workhorse ingredient for the hair and scalp. Here, we've rounded up the best tea tree shampoos for the healthiest head of hair. Verkko“ tea tree is a natural cleanser with antimicrobial and antifungal properties that can clarify and moisturize the scalp, reduce flakes, and increase.