GVP Tea Tree Oil Shampoo Compare to Paul Mitchell Tea Tree Special Shampoo is formulated with special conditioning agents and activated moisture blends that smoothes, softens, and helps prevent moisture loss while stimulating the scalp to promote healthy hair. Tea Tree oil is a completely natural, non-toxic solvent and antiseptic. This shampoo features the unique combination of tea tree oil and other extracts creating a refreshing fragrance experience and leaving hair fresh and clean.