Groom Professional Tranquil Shampoo A rich, luxurious shampoo containing a mixture of Tea Tree and Lavender. This mixture of ingredients will not only create a sense of calm in the salon, it will also help condition the coat and skin. Contains lavender that is known for its soothing properties while Tea Tree is known for its cooling and soothing properties to relieve itching. Also works as an excellent deodorizing shampoo. This shampoo is perfect for dogs with skin problems, bad smelling coats or nervous or excited. 12: 1 dilution.