OPRO OPROTEIN TEA TREE SHAMPOO 25.4 OZ / 750 ML Opro tea tree shampoo has been formulated with proven professional ingredients and oils to effectively cleanse and nourish the hair for great feel, shine and manageability. Shea butter and natural oils to hydrate, strengthen, and protect hair. Tea tree shampoo has been designed to gently cleanse and nourish without drying out the hair and is suitable for daily use.